ROSENTA PURBA, Ika. Study Phytoplankton as a Bioindicator of Asahan River Water Quality. International Journal of Science, Technology & Management, [S. l.], v. 7, n. 1, p. 147–151, 2026. DOI: 10.46729/ijstm.v7i1.1405. Disponível em: https://ijstm.inarah.co.id/index.php/ijstm/article/view/1405. Acesso em: 22 jan. 2026.