Martirosyan, L.M., A.A. Manukyan, and E.R. Suvaryan. “AN ATTEMPT OF RECREATIONAL ESTIMATION OF VEGETATION OF THE «LAKE ARPI» NATIONAL PARK”. Proceedings of the YSU C: Geological and Geographical Sciences 50, no. 2 (240) (August 15, 2016): 54–58. Accessed August 25, 2024. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol50_no2_2016_pp054-058.