Bennagen, M. E. C., Nepomuceno, G., & Covar, R. (2002). Solid waste segregation and recycling in Metro Manila: Household attitudes and behavior. EEPSEA.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBennagen, Ma. Eugenia C., Georgina Nepomuceno, और Ramil Covar. Solid Waste Segregation and Recycling in Metro Manila: Household Attitudes and Behavior. Singapore: EEPSEA, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBennagen, Ma. Eugenia C., et al. Solid Waste Segregation and Recycling in Metro Manila: Household Attitudes and Behavior. EEPSEA, 2002.
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