Boynagryan, V.R. “GEOMORPHOLOGICAL ANALYSIS OF THE MARMARIK RIVER BASIN. EXOGENIC PROCESSES”. Proceedings of the YSU C: Geological and Geographical Sciences 53, no. 1 (248) (April 15, 2019): 50–56. Accessed July 22, 2024. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol53_no1_2019_pp050-056.