Naz, Graham Marquez. “Farmers’ Satisfaction on National Irrigation Administration (NIA) Services in Sorsogon”. Asian Journal of Multidisciplinary Studies 1, no. 2 (January 8, 2019): 119–133. Accessed March 24, 2026. https://www.asianjournals.org/online/index.php/ajms/article/view/77.