The feeding habits of bream (Abramis brama L.) and roach (Rutilus rutilus caspicus Oak.) in the Northern part of the Caspian Sea. (2018). ҚазҰУ Хабаршысы. Биология сериясы, 71(2), 22-30. https://bb.kaznu.kz/index.php/biology/article/view/1262