Bultron, Q. B. ., L. M. P. . Evangelista, J. J.-V. C. . Jimenez, and G. B. . Tutor. “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, vol. 1, no. 1, Apr. 2019, https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/1321.