Valle, A. M. (2021). Educational research: Issues and multidisciplinary nature. Theoretical and philosophical reflections. Universidad Pedagógica y Tecnológica de Colombia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रValle, Ana María. Educational Research: Issues and Multidisciplinary Nature. Theoretical and Philosophical Reflections. Universidad Pedagógica y Tecnológica de Colombia, 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रValle, Ana María. Educational Research: Issues and Multidisciplinary Nature. Theoretical and Philosophical Reflections. Universidad Pedagógica y Tecnológica de Colombia, 2021.
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