Martínez Ventura, Jaime Edwin. “Professionalization of Citizen Security Policy Management: Challenges and Lessons Learned. Experience in Police Training in El Salvador”. Police and Public Security Journal 5, no. 2 (February 3, 2016): 483–507. Accessed December 7, 2025. https://www.camjol.info/index.php/RPSP/article/view/2337.