ROSENTA PURBA, I. .; HARAHAP, A.; DIEUDONNE, B. . Analysis Of The Density Of Coliform Bacteria As An Indicator Of Pollutant In The River Aek Katia Labuhan Batu District. International Journal of Science and Environment (IJSE), [S. l.], v. 2, n. 1, p. 33–39, 2022. DOI: 10.51601/ijse.v2i1.8. Disponível em: https://www.ijsenet.com/index.php/IJSE/article/view/8. Acesso em: 27 jul. 2025.