Rakićević Z, Anđelić O, Popović G, Branković B. The influence of COVID-19 on production operations planning. Manag: J. Sustain. Bus. Manag. Solut. Emerg. Econ. [Internet]. 2023 Sep. 3 [cited 2024 Nov. 21];28(2):23-36. Available from: https://management.fon.bg.ac.rs/index.php/mng/article/view/436