Natanael Bangun, Cut Nuraini, Abdi Sugiarto. Optimization of Drainage System on Jalan Sisingamangaraja to Overcome Flooding in Tigalingga Village, Dairi Regency. Equivalent [Internet]. 2026 May 20 [cited 2026 May 21];4(1):1445-54. Available from: https://jurnal.dokicti.org/index.php/equivalent/article/view/1830