Pérez Pinzón, L. R. (2018). Pedagogical English Practice and Educational German Technology in the Federal State of Santander. Universidad Pedagógica y Tecnológica de Colombia.
Chicago Style (17. basım) AtıfPérez Pinzón, Luis Rubén. Pedagogical English Practice and Educational German Technology in the Federal State of Santander. Universidad Pedagógica y Tecnológica de Colombia, 2018.
MLA (9th ed.) AtıfPérez Pinzón, Luis Rubén. Pedagogical English Practice and Educational German Technology in the Federal State of Santander. Universidad Pedagógica y Tecnológica de Colombia, 2018.
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