Mulkan Syahputra, supriadi and Marpaung, P. 2022. The Mapping of Irrigated Paddy Fields which were Polluted by Detergent Waste in Kolam Village, Percut Sei Tuan Sub-district, Deli Serdang District. Jurnal Online Pertanian Tropik. 8, 2 (Jan. 2022), 144-149. DOI:https://doi.org/10.32734/jopt.v8i2.8078.