ROSENTA PURBA, I.; HARAHAP, A. . Plankton Diversity In The Labuhanbatu Bilar River. International Journal of Science and Environment (IJSE), [S. l.], v. 2, n. 2, p. 63–68, 2022. DOI: 10.51601/ijse.v2i2.27. Disponível em: https://www.ijsenet.com/index.php/IJSE/article/view/27. Acesso em: 27 jul. 2025.