Riri Rezeki Hariani, Muhammad Arif Nasution, Muhammad Sutan Agung, Ira Thania Rasjidi, Arifin Saleh, and Muhammad Fathin Abdul Fachri. “Efficiency Analysis of Flood Mitigation Policies in North Sumatra in 2025: An Economic Analysis of Law Perspective ”. Journal of Creative Power and Ambition (JCPA) 4, no. 02 (July 5, 2026): 112–122. Accessed September 13, 2026. https://edujavare.com/index.php/jcpa/article/view/1565.