Dueñas Macías, F. A. (2013). Learner-Centered Curriculum: A Step Towards English Speaking Skill Improvement of Non-English Teachers. Universidad Pedagógica y Tecnológica de Colombia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDueñas Macías, Fredy Alonso. Learner-Centered Curriculum: A Step Towards English Speaking Skill Improvement of Non-English Teachers. Universidad Pedagógica y Tecnológica de Colombia, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDueñas Macías, Fredy Alonso. Learner-Centered Curriculum: A Step Towards English Speaking Skill Improvement of Non-English Teachers. Universidad Pedagógica y Tecnológica de Colombia, 2013.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.
