Achoyan, Zh. A. “GROUNDWATER BEHAVIOR IN THE CENTRAL PART OF YEREVAN CITY”. Proceedings of the YSU C: Geological and Geographical Sciences 46, no. 3 (229) (December 10, 2012): 29–35. Accessed July 22, 2024. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol46_no3_2012_pp029-035.