Hovsepyan, A., Mamyan, A., Khachikyan, T., Tikhonova, I., Belykh, O., & Gevorgyan, G. (2019). MONITORING OF PHYTOPLANKTON STATUS IN LAKE SEVAN (ARMENIA) IN 2018. Proceedings of the YSU B: Chemical and Biological Sciences, 53(3 (250), 206–211. https://doi.org/10.46991/PYSU:B/2019.53.3.206