Franco, L., Jardin, L., Lobrino, A. F. ., & Tonog, J. M. (2020). Maintaining Clean Environment Inside the Classroom Affecting the Safety and Security of the Grade 12 ABM Students. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, 2(1). Retrieved from https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/1188