Selfia , M. ., N. . Aida, and A. . Rahman. “ENGOLAHAN IMBAH AIR ENCUCIAN ENDARAAN ENGAN ISTEM ILTRASI ENGGUNAKAN ILTER ULTIMEDIA”. ingkar: ournal of nvironmental ngineering, vol. 3, no. 1, July 2022, pp. 17-31, doi:10.22373/ljee.v3i1.1925.