RIRI REZEKI HARIANI; MUHAMMAD ARIF NASUTION; MUHAMMAD SUTAN AGUNG; IRA THANIA RASJIDI; ARIFIN SALEH; 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), [S. l.], v. 4, n. 2, p. 112–122, 2026. DOI: 10.70610/jcpa.1565. Disponível em: https://edujavare.com/index.php/jcpa/article/view/1565. Acesso em: 14 nov. 2026.