“POLLUTION LEVEL OF THE MEGHRIGET, VOGHCHI AND ARTSVANIK RIVERS WITH HEAVY METALS AND ALUMINIUM”. Proceedings of the YSU B: Chemical and Biological Sciences 45, no. 3 (226) (November 8, 2011): 50–53. Accessed January 22, 2026. https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol45_no3_2011_pp050-053.