Mulkan Syahputra, supriadi, Marpaung P. The Mapping of Irrigated Paddy Fields which were Polluted by Detergent Waste in Kolam Village, Percut Sei Tuan Sub-district, Deli Serdang District. Petrop [Internet]. 2022Jan.10 [cited 2024Apr.27];8(2):144-9. Available from: https://talenta.usu.ac.id/jpt/article/view/8078