Altamis, Muhammad Iqbal, et al. “Upaya Penegakan Hukum Terhadap Pencemaran Air Sungai Di Taman Mercy Deli Tua”. Innovative: Journal Of Social Science Research, vol. 3, no. 4, Aug. 2023, pp. 2734-46, https://j-innovative.org/index.php/Innovative/article/view/3785.