Marjanovic U. OBITUARY: Emeritus Professor Dr. Dragutin Zelenovic (1928-2020) Founder and Principal Editor of IJIEM (2010-2019). Int J Ind Eng Manag [Internet]. 2020 Jun. 30 [cited 2024 Jul. 7];11(2):144-5. Available from: https://ijiemjournal.uns.ac.rs/index.php/ijiem/article/view/106