Barrientos, Z. (2010). Urban solid waste generation and management at the National University, Costa Rica: Quantitative and sociological patterns.
Chicago-tyylinen lähdeviittausBarrientos, Zaidett. Urban Solid Waste Generation and Management At the National University, Costa Rica: Quantitative and Sociological Patterns. 2010.
MLA-viiteBarrientos, Zaidett. Urban Solid Waste Generation and Management At the National University, Costa Rica: Quantitative and Sociological Patterns. 2010.
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