Hermon, Dedi. “A Review of Strategic for the Development of the Paraman Ampalu – West Pasaman Regency Based on Physical and Economic Conditions”. Science and Environmental Journal for Postgraduate 5, no. 2 (June 15, 2023): 153–159. Accessed April 20, 2026. http://senjop.ppj.unp.ac.id/index.php/senjop/article/view/205.