Editorial board, Proceedings of the YSU. “HOHMIK HMAYAKI SARGSYAN”. Proceedings of the YSU C: Geological and Geographical Sciences 50, no. 3 (241) (December 19, 2016): 60–63. Accessed August 25, 2024. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol50_no3_2016_pp060-063.