ASSESSMENT OF HEAVY METAL POLLUTION IN THE SOTK AND DZKNAGET RIVERS (ARMENIA). Proceedings of the YSU B: Chemical and Biological Sciences, [S. l.], v. 60, n. 1 (268), p. 40–50, 2026. DOI: 10.46991/PYSUB.2026.60.1.040. Disponível em: https://journals.ysu.am/proceedings-chem-biol/article/view/vol60_no1_2026_pp040-050. Acesso em: 9 apr. 2026.