Riri Rezeki Hariani (2026) “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(02), pp. 112–122. Available at: https://edujavare.com/index.php/jcpa/article/view/1565 (Accessed: 13 September 2026).