Gevorkyan, G.A. “QUANTITATIVE CHARACTERISTICS OF BIOGENIC ELEMENTS ENTERED INTO THE ENVIRONMENT AS A RESULT OF ACTIVITY HORNED LIVESTOCKS AND LOAD OF PASTURES IN SYUNIK MARZ”. Proceedings of the YSU B: Chemical and Biological Sciences 45, no. 1 (224) (February 2, 2011): 65–67. Accessed July 22, 2024. https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol45_no1_2011_pp065-067.