GEVORGYAN, G.A. AN INVESTIGATION OF HYDROCHEMICAL CONTAMINATION IN THE HRAZDAN RIVER, ARMENIA. Proceedings of the YSU B: Chemical and Biological Sciences, [S. l.], v. 54, n. 3 (253), p. 255–260, 2020. DOI: 10.46991/PYSU:B/2020.54.3.255. Disponível em: https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol54_no3_2020_pp255-260. Acesso em: 22 jul. 2024.