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Padios J, Gulmatico R, Dela Cruz J, Cruz J, Agustino KF, Valle KJ. Development of a PET Bottle Collection System for a Green Campus Community. IJSET [Internet]. 2021Dec.30 [cited 2025Oct.29];2(2):113-24. Available from: https://ijset.tatiuc.edu.my/index.php/ijset/article/view/110