M. Iswandi. “NALISIS EBARAN EBISINGAN KIBAT KTIVITAS ANDING AN AKE-FF I EKITAR ANDARA NTERNASIONAL ULTAN SKANDAR UDA ABUPATEN CEH ESAR”. ingkar: ournal of nvironmental ngineering, ol. 1, no. 1, Dec. 2020, pp. 37-46, doi:10.22373/ljee.v1i1.1423.