CC-BY-NC-NDRadić, AleksandraVoza, DanijelaNikolić, ĐorđeVuković, MilovanSnežana Šerbula2023-12-262023-12-262022978-86-6305-123-2https://repozitorijum.tfbor.bg.ac.rs/handle/123456789/2546abstractenEnvironmental performance classification of Balkan countries based on Topsis-sort methodologyconferenceObject