“SOLUTION OF PALEO-HYDROGEOLOGICAL PROBLEMS BY ELECTRICAL VES METHOD: (case Study the Lake Sevan Catchment Basin)”. Proceedings of the YSU C: Geological and Geographical Sciences 52, no. 1 (245) (April 16, 2018): 3–7. Accessed January 22, 2026. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol52_no1_2018_pp003-007.