Zaportiza-Corvera, Rhodarora Galido. “Quality of Service and Client Satisfaction of the Department of Foreign Affairs - Butuan, Caraga Region”. JPAIR Multidisciplinary Research 29, no. 1 (July 6, 2017): 169–183. Accessed May 2, 2025. https://www.philair.ph/index.php/jpair/article/view/520.