Faronal, Ivan N., Glenn A. Caraig, and Mark Anthony R. Abril. “A Systematic Review and Meta-Analysis on Water Quality Monitoring System”. International Journal of Research in Engineering, Science and Management 4, no. 11 (November 17, 2021): 69–74. Accessed November 13, 2024. https://journal.ijresm.com/index.php/ijresm/article/view/1510.