Afrikyan, E., & 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), 61–63. https://doi.org/10.46991/PYSU:B/2016.50.1.056