Manasyan, M.G., and G.P. Harutyunyan. “SETTLEMENT SYSTEM AND SPATIAL DIFFERENTIATION OF LIFE QUALITY IN RA”. Proceedings of the YSU C: Geological and Geographical Sciences 47, no. 3 (232) (December 9, 2013): 38–42. Accessed May 20, 2024. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol47_no3_2013_pp038-042.