Igdalino, Christine Joyce, Eva Leah Papina, Kenneth Miguel Morris, Allea Compe, Charles Gregorio, and Kimberly Joyce Embile. 2020. “Effectiveness of Using Garbage Hoops for Strategic Plastic Bottles Disposal”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research 2 (1). https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/2557.