B. Muyot, Norma, and Charmine Sheena R. Saflor. “Operational Optimization Of A Potable Water Refilling Station”. International Journal of Science, Technology & Management 3, no. 3 (May 19, 2022): 811-818. Accessed November 28, 2024. https://ijstm.inarah.co.id/index.php/ijstm/article/view/528.