Gevorgyan, G. (2011) “POLLUTION LEVEL OF THE MEGHRIGET, VOGHCHI AND ARTSVANIK RIVERS WITH HEAVY METALS AND ALUMINIUM”, Proceedings of the YSU B: Chemical and Biological Sciences, 45(3 (226), pp. 50–53. doi: 10.46991/PYSU:B/2011.45.3.050.