Afrikyan, E. and Osipyan, L. (2016) “ARMEN H. TRCHOUNIAN BIOLOGIST, TEACHER, ORGANIZER OF SCIENCE AND EDUCATION: (to the 60th anniversary)”, Proceedings of the YSU B: Chemical and Biological Sciences, 50(1 (239), pp. 61–63. doi: 10.46991/PYSU:B/2016.50.1.056.