Bultron, Queeniewlyn B., Lyka Marie P. Evangelista, Jasser J-Vee C. Jimenez, and Gerlou B. Tutor. 2019. “Level of Awareness of the HUMSS Grade 12 Students on the Proper Waste Disposal and Recycling Management: An Assessment”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research 1 (1). https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/1321.