Drozdenko, Tatiana, Sergei Mikhalap, Kristina Mikhaylova, and Anna Chernova. “THE MODERN STATUS OF THE VELIKAYA RIVER DELTA ON THE STATE OF PRIMARY PRODUCERS”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 20, 2019): 48–53. Accessed May 1, 2024. https://journals.ru.lv/index.php/ETR/article/view/4086.