E. Saguibo, Jovita, Eduardo T. Bagtang, and Marilou B. Adora. “Demand and Consumption Pattern Analysis of Commercial Drinking Water Among Selected Barangays of Tabuk City”. International Journal of English Literature and Social Sciences (IJELS) 5, no. 6 (January 27, 2021). Accessed July 22, 2024. https://journal-repository.com/index.php/ijels/article/view/3075.