Siregar, Syafiatun, Harun Sitompul, Kinanti Wijaya, Ahmad Andi Solahuddin, and Nurmaidah Nurmaidah. “Design of Retarding Basin As an Effort to Reduce Flood”. Jurnal Penelitian Pendidikan IPA 9, no. 4 (April 30, 2023): 1819–1824. Accessed November 22, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/3392.