Mkrtchyan, M.S., and M.A. Grigoryan. “STRATEGIC AND PRACTICAL DIRECTIONS OF ENVIRONMENTAL RISK ASSESSMENT”. Proceedings of the YSU C: Geological and Geographical Sciences 51, no. 3 (244) (December 11, 2017): 154–158. Accessed May 16, 2024. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol51_no3_2017_pp154-158.