Flórez Restrepo, G. A. (2012). Environmental education: An attempt at school- community integration. Universidad Pedagógica y Tecnológica de Colombia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFlórez Restrepo, Gustavo Adolfo. Environmental Education: An Attempt at School- Community Integration. Universidad Pedagógica y Tecnológica de Colombia, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFlórez Restrepo, Gustavo Adolfo. Environmental Education: An Attempt at School- Community Integration. Universidad Pedagógica y Tecnológica de Colombia, 2012.
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