Abdul Wahid, M. ., A. . Rohendi, and R. Fajri. “ENENTUAN TATUS UTU IR UNGAI AE ORAYA OTA UBULUSSALAM ENGAN ETODE NDEKS ENCEMARAN”. ingkar: ournal of nvironmental ngineering, vol. 4, no. 2, Jan. 2024, pp. 48-60, https://journal.ar-raniry.ac.id/lingkar/article/view/4116.