Chakila. “Risk Management on Water Safety Plan (WSP) Operator for Surface Water Source at PDAM Krueng Peusangan Bireuen Agency”. Jurnal Teknik Lingkungan 28, no. 1 (April 30, 2022). Accessed October 6, 2025. https://journals.itb.ac.id/index.php/jtl/article/view/17414.