Cai, V. R., & De Leon, R. L. (2020). Development and implementation of a recycling performance assessment tool for Philippine urban cities. College of Engineering, University of the Philippines Diliman.
Chicago Style (17. basım) AtıfCai, Venson R., ve Rizalinda L. De Leon. Development and Implementation of a Recycling Performance Assessment Tool for Philippine Urban Cities. Quezon City: College of Engineering, University of the Philippines Diliman, 2020.
MLA (9th ed.) AtıfCai, Venson R., ve Rizalinda L. De Leon. Development and Implementation of a Recycling Performance Assessment Tool for Philippine Urban Cities. College of Engineering, University of the Philippines Diliman, 2020.
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