Hovsepyan, A.; Mamyan, A.; Khachikyan, T.; Tikhonova, I.; Belykh, O.; Gevorgyan, G. MONITORING OF PHYTOPLANKTON STATUS IN LAKE SEVAN (ARMENIA) IN 2018. Proc. YSU B: Chem. Biol. Sci. 2019, 53, 206-211.