Grujić, S., Popović, M., Savić, G., Pamučar, D.,: Safety assessment of railway crossings in Serbia using DEA method, - Zbornik radova Sym-Op-Is 2018, Zlatibor 2018, ISBN: 978-86-403-1567-8, pp. 419-426.
Ramljak, S., Popović, M., Savić, G.: The efficiency of higher education student mobility programmes in Europe in 2015, In N. Žarkić-Joksimović, & S. Marinković (Ed.), XVI International Symposium SymOrg 2018 – Doing Business in the Digital Age: Challenges, Approaches and Solutions (pp. 683-691). Zlatibor, 07-10 June 2018: University of Belgrade, Faculty of Organizational Sciences. ISBN 978-86-7680-361-3.
Vukosavljević, J., Popović, M., Martić, M. & Popović, M.: Teachers' Efficiency Measuring: An Application of DEA, Proceedings of XIII Balkan Conference on Operational Research – BALCOR 2018, Belgrade, 25-28 May, 2018, pp. 66-72. ISBN: 978-86-80593-64-7.
Popović M., Savić G., Martić M.: Osnovni koncept i pregled primena dvofaznog AHP/DEA pristupa, Zbornik radova Sym-Op-Is 2015, Srebrno jezero 2015, ISBN: 978-86-80593-55-5.