Simonyan, A.G. “ANALYSIS OF ENVIRONMENTAL STATUS OF THE RIVER VOGHJI WITH ARMENIAN INDEX OF WATER QUALITY”. Proceedings of the YSU B: Chemical and Biological Sciences 50, no. 2 (240) (July 1, 2016): 55–58. Accessed July 22, 2024. https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol50_no2_2016_pp055-058.