CC-BY-NC-NDOgnjanović, TamaraProf. Dr ZORAN S. MARKOVIĆ2023-12-272023-12-272011978-86-80987-84-2http://www.eco-ist.rs/proceedings%20ecoist_11.pdfhttps://repozitorijum.tfbor.bg.ac.rs/handle/123456789/5051abstractenconferenceObject