N. Đukic, T. Jakšić, O. Papović, and P. Vasić, “DIATOM SPECIES COMPOSITION AND THEIR SEASONAL DYNAMICS IN THE TIMOK RIVER BASIN”, B Nat Sci Res, vol. 11, no. 2, pp. 1–7., Dec. 2021, doi: 10.5937/bnsr11-25709.