00606naa#a2200181#i#450# EN\\bibl\42634 20241109080348.6 2073-5529 20210317b2021####ek#y0engy0150####ca RU EVALUATING WATER QUALITY IN VELIKAYA RIVER BY USING PHYTOPLANKTON CHARACTERISTICS Journal article Astrakhan Astrakhan State Technical University 2021 9 с. Journal article local Биологические науки. 57 Drozdenko Tatiana Viktorovna Antal Taras Kornelievich vestnik.astu.org