Effects of Placing “Ring-Like” Trash Bin inside Classroom for Proper Waste Disposal on Grade 12 ABM Strand Students in Bestlink College of the Philippines. AASgBCPJMRA. 2020;2(1). Accessed December 7, 2025. https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/2545