Bonilla Carvajal, C. A. (2013). “Grammar-translation” method, a linguistic historic err or of perspective: Origins, dynamics and inconsistencies. Universidad Pedagógica y Tecnológica de Colombia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBonilla Carvajal, Camilo Andrés. “Grammar-translation” Method, a Linguistic Historic Err or of Perspective: Origins, Dynamics and Inconsistencies. Universidad Pedagógica y Tecnológica de Colombia, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBonilla Carvajal, Camilo Andrés. “Grammar-translation” Method, a Linguistic Historic Err or of Perspective: Origins, Dynamics and Inconsistencies. Universidad Pedagógica y Tecnológica de Colombia, 2013.
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