Avagyan, A.R. “THE ROLE OF SMALL BUSINESS IN DEVELOPMENT OF SERVICE INDUSTRY”. Proceedings of the YSU C: Geological and Geographical Sciences 54, no. 3 (253) (December 25, 2020): 220–225. Accessed July 22, 2024. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol54_no3_2020_pp220-225.