Madrigal, Dennis, and Enrique Oracion. “Solid Waste Management Awareness, Attitude, and Practices in a Philippine Catholic Higher Education Institution”. Recoletos Multidisciplinary Research Journal 5, no. 2 (December 31, 2017). Accessed July 31, 2021. https://rmrj.usjr.edu.ph/rmrj/index.php/RMRJ/article/view/312.