Potosyan V, Avagyan A. THE CONCEPTS OF GEOGRAPHICAL STUDIES OF RA FRONTIER, MOUNTAINOUS AND HIGH MOUNTAINOUS AREAS SETTLEMENT PATTERN. Proc. YSU C: Geol. Geogr. Sci. [Internet]. 2018 Dec. 17 [cited 2024 Nov. 24];52(3 (247):206-14. Available from: https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol52_no3_2018_pp206-214