Movsesyan, R.S., and H.I. Movsisyan. “ENVIRONMENTAL PROTECTION DEDUCTIONS AND INSURANCE OF OBJECTS OF SUBSOIL USE”. Proceedings of the YSU C: Geological and Geographical Sciences 50, no. 1 (239) (August 11, 2016): 18–23. Accessed May 18, 2024. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol50_no1_2016_pp018-023.