Competente, C.A. , Germones, K. , Elpedes, M.N. , Rina, L.M. , Senillo, J. and Bayaborda, R. 2020. Effects of Putting A “Ring-Like” Trash Bin Inside Classroom for Proper Waste Disposal of Grade 12 ABM Students at Bestlink College of the Philippines. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research. 2, 1 (Apr. 2020).