Manukyan, S.B. “THE DEFINITION SECOND ZONE OF SANITARY PROTECTION OF KARBI AND GHAZARAVAN FRESH WATER INTAKES”. Proceedings of the YSU C: Geological and Geographical Sciences 54, no. 1 (251) (April 15, 2020): 17–22. Accessed May 12, 2024. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol54_no1_2020_pp017-022.