STEVANOVIĆ, Z. (2021) “STATE OF THE SURFACE WATERS IN CROSS BORDER REGION OF EASTERN SERBIA AND CARAS SEVERIN COUNTY – MOLDOVA NOUA IN ROMANIA”, Studia Universitatis Babeș-Bolyai Chemia, 66(4), pp. 309–328. doi: 10.24193/subbchem.2021.4.23.