DINATA, Marta; RAMADANSUR, Rahmat; SEMBIRING, Al Khudri; EFFENDI, Irwan. Assessing Water Pollution at Sail River: Insights from Plankton Abundance as an Ecological Indicator in Riau, Indonesia. Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram, [S. l.], v. 14, n. 3, p. 1819–1836, 2026. DOI: 10.33394/j-ps.v14i3.20653. Disponível em: https://e-journal.undikma.ac.id/index.php/prismasains/article/view/20653. Acesso em: 8 sep. 2026.