D'olivares Durán, N. (2014). Cooperative Learning: Another Way to Learn Together. Universidad Pedagógica y Tecnológica de Colombia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रD'olivares Durán, Nelson. Cooperative Learning: Another Way to Learn Together. Universidad Pedagógica y Tecnológica de Colombia, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्रD'olivares Durán, Nelson. Cooperative Learning: Another Way to Learn Together. Universidad Pedagógica y Tecnológica de Colombia, 2014.
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