KREJČÍ, I. – MAZOUCH, P. – VLTAVSKÁ, K. – KVASNIČKA, R. Age of machinery and equipment in the Czech agriculture. Agricultural Economics (Zemědělská ekonomika), 2015, roč. 61, č. 8, s. 356-366. ISSN: 0139-570X.
**ČADIL, J. – **VLTAVSKÁ, K. – KREJČÍ, I. – **HARTMAN, D. – **BRABEC, M. AGGREGATE PRODUCTION FUNCTION AND INCOME IDENTITY-EMPIRICAL ANALYSIS. International Journal of Economic Sciences, 2017, roč. 6, č. 1, s. 1-17. ISSN: 1804-9796.
KREJČÍ, I. – HORNICKÁ, A. Analysis of the Method for the Selection of Regions with Concentrated State Aid. AGRIS on-line Papers in Economics and Informatics, 2010, roč. 2, č. 3, s. 55 - 62. ISSN: 1804-1930.
KUČERA, P. – KREJČÍ, I. – VYDROVÁ, H. – KUČÍRKOVÁ, L. CONTRIBUTION OF A LINEAR PROGRAMMING VBA MODULE TO STUDENTS PEFORMANCE. Journal on Efficiency and Responsibility in Education and Science, 2010, roč. 3, č. 2, s. 54 - 65. ISSN: 1803-1617.
KUČERA, P. – KREJČÍ, I. Contribution of simple heuristics for the vehicle routing problem – A case study of a small brewery. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2013, roč. LXI, č. 7, s. 2393-2401. ISSN: 1211-8516.
KREJČÍ, I. – HOUŠKA, M. Discussion with the paper ‘Project costs planning in the conditions of uncertainty’ by H. Štiková. Agricultural Economics (Zemědělská ekonomika), 2014, roč. 60, č. 11, s. 517-523. ISSN: 0139-570X.
FISCHER, J. – VLTAVSKÁ, K. – KREJČÍ, I. DOPAD REVIZÍ V NÁRODNÍCH ÚČTECH NA ODHADY ODVOZENÉHO INDIKÁTORU. ACTA OECONOMICA PRAGENSIA, 2013, roč. 21, č. 4, s. 20-33. ISSN: 0572-3043.
KREJČÍ, I. – KVASNIČKA, R. – ŠVASTA, J. Dynamic aging chain of the Czech Republic population. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2011, roč. 59, č. 7, s. 209-216. ISSN: 1211-8516.
KOLÁČKOVÁ, G. – KREJČÍ, I. – TICHÁ, I. Dynamics of Small Farmers’ Behaviour – Scenario Simulations. Agricultural Economics (Zemědělská ekonomika), 2017, roč. 63, č. 3, s. 103-120. ISSN: 0139-570X.
FLÉGL, M. – KREJČÍ, I. – BROŽOVÁ, H. Impact of Score Recalculation of Publication Evaluation on the Czech Higher Education Institutions. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2016, roč. 64, č. 1, s. 245-254. ISSN: 1211-8516.
KREJČÍ, I. – KVASNIČKA, R. – DÖMEOVÁ, L. INTRODUCING SYSTEM DYNAMICS AT CULS PRAGUE . Journal on Efficiency and Responsibility in Education and Science, 2011, roč. 4, č. 4, s. 187-196. ISSN: 1803-1617.
KREJČÍ, I. – VLTAVSKÁ, K. Measuring Quarterly Net Fixed Capital Stock in the Czech Republic. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2013, roč. LXI, č. 7, s. 2367-2376. ISSN: 1211-8516.
MAZOUCH, P. – KREJČÍ, I. The Analysis of the Age Structure of Regional Fixed Capital in the Agriculture. AGRIS on-line Papers in Economics and Informatics, 2016, roč. 8, č. 2, s. 89-101. ISSN: 1804-1930.
PITROVÁ (POLÁKOVÁ), J. – KREJČÍ, I. – PILAŘ, L. – MOULIS, P. – RYDVAL, J. – HLAVATÝ, R. – HORÁKOVÁ, T. – TICHÁ, I. The economic impact of diversification into agritourism. International Food and Agribusiness Management Review, 2020, roč. 23, č. 5, s. 713-734. ISSN: 1559-2448.
KREJČÍ, I. – MOULIS, P. – PITROVÁ (POLÁKOVÁ), J. – TICHÁ, I. – PILAŘ, L. – RYDVAL, J. Traps and Opportunities of Czech Small-Scale Beef Cattle Farming. Sustainability, 2019, roč. 11, č. 15, s. 0-0. ISSN: 2071-1050.
PILAŘ, L. – KVASNIČKOVÁ STANISLAVSKÁ, L. – PITROVÁ (POLÁKOVÁ), J. – KREJČÍ, I. – TICHÁ, I. – CHALUPOVÁ, M. Twitter Analysis of Global Communication in the Field of Sustainability. Sustainability, 2019, roč. 11, č. 24, s. 6958-6958. ISSN: 2071-1050.
HLAVATÝ, R. – KREJČÍ, I. – HOUŠKA, M. – MOULIS, P. – RYDVAL, J. – PITROVÁ, J. – PILAŘ, L. – HORÁKOVÁ, T. – TICHÁ, I. Understanding the decision-making in small-scale beef cattle herd management through a mathematical programming model. ..., 2021, roč. , č. , s. 0-0. ISSN: N.
KREJČÍ, I. – SIXTA, J. VYUŽITÍ ALTERNATIVNÍCH METOD PŘI ODHADECH STAVŮ A SPOTŘEBY FIXNÍHO KAPITÁLU. ..., 2012, roč. 60, č. 6, s. 780-800.
KREJČÍ, I. – MAZOUCH, P. AGE OF EQUIPMENT IN EDUCATION - A POSSIBLE INDICATOR OF THE MODERNISATION PROCESS. In Proceedings of the 12th International Conference Efficiency and Responsibility in Education 2015 04.06.2015, Prague, Czech Republic. Prague: Czech University of Life Sciences Prague, 2015. s. 289-296.
KREJČÍ, I. AGE OF MACHINERY AND EQUIPMENT IN EDUCATION AS ASPECT OF MODERNITY. In Proceedings of the 10th International Conference on Efficiency and Responsibility in Education 2013 (ERIE 2013) 06.06.2013, Prague, Czech Republic. Prague: Czech University of Life Science Prague, 2013. s. 317-323.
KREJČÍ, I. – KVASNIČKA, R. Application of aging chain model on demographical data of the Czech Republic. In Proceedings of 30th International Conference Mathematical methods in economics 11.09.2012, Karviná. Karviná : Silesian University, 2012. s. 467-472.
KREJČÍ, I. Computation of the Stocks and Consumption of Fixed Capital with use of Markov Chain. In Proceedings of the 28th International Conference on Mathematical Methods in Economics 2010 08.09.2010, České Budějovice. České Budějovice: University of South Bohemia in České Budějovice, Faculty of Economics, 2010. s. 365-370.
MAULESHOVA, M. – KREJČÍ, I. Dynamics of the Economic-Ecological System of Aral Sea. In 40th International Conference on Mathematical Methods in Economics, Conference proceedings 07.09.2022, Jihlava. Jihlava: College of Polytechnics Jihlava, 2022. s. 229-234.
KUČERA, P. – KREJČÍ, I. – VYDROVÁ, H. – KUČÍRKOVÁ, L. EDUCATIONAL IMPACT OF VBA MODULES. In ERIE 2010 10.06.2010, Praha. Praha: CULS Prague, 2010. s. 196-202.
KREJČÍ, I. – ŠVASTA, J. Gross Fixed Capital Dynamics. In Proceedings of the 29th International Conference on Mathematical Methods in Economics 2011 06.09.2011, Liptovský Ján. Praha: Professional Publishing, 2011. s. 380-384.
KUČERA, P. – KVASNIČKA, R. – KREJČÍ, I. IMPACT OF THE CONTACT TEACHING REDUCTION ON STUDY RESULTS IN THE COURSE OF MATHEMATICAL METHODS IN ECONOMICS II. In Proceedings of the 9th International Conference on Efficiency and Responsibility in Education (ERIE 2012) 07.06.2012, Praha. Praha: Czech University of Life Science Prague, 2012. s. 287-293.
FLÉGL, M. – KREJČÍ, I. JUSTIFICATION OF UNIVERSITY FUNDING IN THE CZECH REPUBLIC. In Proceedings of the 12th International Conference Efficiency and Responsibility in Education 2015 04.06.2015, Prague, Czech Republic. Prague: Czech University of Life Sciences Prague, 2015. s. 127-134.
KREJČÍ, I. – MAZOUCH, P. Measuring the Age of Machinery and Equipment in Czech Republic. In 33th International Conference Mathematical Methods in Economics 09.09.2015, Cheb. Plzeň: Faculty of Economics, University of West Bohemia, 2015. s. 401-406.
KREJČÍ, I. – KVASNIČKA, R. Modelling disaggregated aging chain of Czech population. In Proceedings of the 29th International Conference on Mathematical Methods in Economics 2011 06.09.2011, Liptovský Ján. Praha: Professional Publishing, 2011. s. 375-379.
HLAVATÝ, R. – KREJČÍ, I. Optimizing production in small-scale beef cattle farm. In 38th International Conference on Mathematical Methods in Economics Conference Proceedings 09.09.2020, Brno. Brno: Mendel university in Brno, 2020. s. 166-172.
HLAVATÝ, R. – KREJČÍ, I. Sensitivity of small-scale beef cattle farm’s profit under conditions of natural turnover. In 39th International Conference on Mathematical Methods in Economics, Conference proceedings 08.09.2021, Praha. Praha: Czech University of Life Sciences Prague, 2021. s. 167-172.
KREJČÍ, I. – KOLÁČKOVÁ, G. – TICHÁ, I. Simulation model of Czech small farming business. In 34th International Conference Mathematical Methods in Economics 06.09.2016, Liberec. Liberec: Technical University of Liberec, 2016. s. 453-458.
HORÁKOVÁ, T. – KREJČÍ, I. – RYDVAL, J. Students´Reflections on Teaching the System Dynamics at CULS Prague. In Proceedings of the 14th International Conference Efficiency and Responsibility in Education 2017 08.06.2017, Prague. Prague: CULS Prague, Faculty of economics and Management , 2017. s. 130-136.
KREJČÍ, I. – ŠUBRT, T. – BARTOŠKA, J. System Dynamics Model of Czech Regions' Development. In 36th International Conference Mathematical Methods in Economics 12.09.2018, Jindřichův Hradec. Prague: MatfyzPress, 2018. s. 258-263.
KREJČÍ, I. – KVASNIČKA, R. – DÖMEOVÁ, L. Teaching system dynamics at culs prague –the seminars’ structure design. In Proceedings of the 8th International Conference Efficiency and Responsibility in Education 2011 09.06.2011, Praha. Praha: Czech University of Life Sciences Prague, 2011. s. 157-165.
SELIVANOVA, A. – KREJČÍ, I. – SEDLÁŘOVÁ NEHÉZOVÁ, T. The dynamical model of recovery after radioactive contamination . In SYSTEM DYNAMICS SOCIETY. INTERNATIONAL CONFERENCE. 2022 19.07.2022, Frankfurt, Germany. : System Dynamics Society, 2022. s. 0-0.
**ŠKODA, D. – KREJČÍ, I. The Dynamics of Human Agent in Project Management . In 37th International Conference on Mathematical Methods in Economics 2019 11.09.2019, České Budějovice. České Budějovice: University of South Bohemia in České Budějovice, Faculty of Economics, 2019. s. 97-102.
KREJČÍ, I. – ŠVASTA, J. The impact of alternative approaches to the measurement of fixed capital . In Proceedings of 30th International Conference Mathematical methods in economics 11.09.2012, Karviná. Karviná : Silesian University, 2012. s. 473-477.
KREJČÍ, I. – KUČERA, P. The Impact Of Teaching The Mathematical Methods In Economists. In Proceedings of the 11th International Conference on Efficiency and Responsibility in Education 2014 (ERIE 2014) 05.06.2014, Prague, Czech Republic. Prague: Czech University of Life Sciences Prague, 2014. s. 320-326.
KREJČÍ, I.; idPublikace = 66675; Název: The Method for the Selection of Regions with Concentrated State Aid-- Neexistuje podtyp publikace --
SELIVANOVA, A. – KREJČÍ, I. – SEDLÁŘOVÁ NEHÉZOVÁ, T. The System Dynamics model of recovery of inhabited areas. In EURO 2022: Conference handbook and abstracts: 32nd European Conference on Operational Research (EURO XXXII), Helsinki, Finland, July 3 – 6, 2022 03.06.2022, Aalto University, Espoo, Finland. Espoo, Finland: , 2022. s. 229-229.
KREJČÍ, I. – RYDVAL, J. – PITROVÁ (POLÁKOVÁ), J. – MOULIS, P. – HORÁKOVÁ, T. – PILAŘ, L. – HLAVATÝ, R. – TICHÁ, I. – SEDLÁŘOVÁ NEHÉZOVÁ, T. – TUČKOVÁ, K. FARMASIM, FARMASIM, Computer simulation; System dynamics; Farm management, 2020, XX - Nepřiřazeno, FarmaSim 1.0, https://prezentace.czu.cz/farmasim/, Vensim, Sable, system of differential equations 342 levels, 981 auxiliaries 542 parameters, kontakt: Ing. Igor Krejčí, Ph.D. Katedra systémového inženýrství, Provozně ekonomická fakulta, Česká zemědělská univerzita v Praze, krejcii@pef.czu.cz, SW - Manažerský simulátor pro drobné zemědělce zaměřené na živočišnou výrobu (masný a mléčný skot, prasata, kozy, ovce a drůbež), Česká zemědělská univerzita v Praze (Katedra systémového inženýrství a Katedra řízení PEF), 60460709, CZ - Česká republika, N - Využití výsledku jiným subjektem je možné bez nabytí licence (výsledek není licencován), N - Nevyžaduje se
KREJČÍ, I. – HORÁKOVÁ, T. – RYDVAL, J.Dynamic of fixed capital - different points of view. 2016, .
The evaluation of labour market indicators in the Czech Republic Ing. Vydrová Hana; Ing. Krejčí Igor; Ing. Svatoš Jiří, 2009
The Method of the Definition of Regions with Concentrated State Aid Ing. Krejčí Igor; Ing. Hornická Andrea; Ing. Svobodová Radka, 2009
Possible improvements of model the PIM in Czech Republic conditions Ing. Krejčí Igor, 2009
Difficulties with the application of fuzzy activity times in critical path method Ing. Krejčí Igor; Ing. Kvasnička Roman; Ing. Vydrová Hana, 2009
Position of mathematical models in economic practice of the public sector Ing. Krejčí Igor, 2008
Approaches to uncertainty in project management Ing. Krejčí Igor; Ing. Kvasnička Roman, 2009
The PIM implementation problems, the mathematical model for calculation of stocks of fixed capital Ing. Krejčí Igor, 2009