Martirosyan, L.M. “THE AESTHETIC EVALUATION AND MAPPING OF LANDSCAPES OF LAKE SEVAN FOR DEVELOPING ITS RECREATION”. Proceedings of the YSU C: Geological and Geographical Sciences, vol. 48, no. 2 (234), Aug. 2014, pp. 41-46, doi:10.46991/PYSU:C/2014.48.2.041.