Avalos, B. (1995). Issues in science teacher education. Unesco, International Institute for Educational Planning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAvalos, Beatrice. Issues in Science Teacher Education. Paris: Unesco, International Institute for Educational Planning, 1995.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAvalos, Beatrice. Issues in Science Teacher Education. Unesco, International Institute for Educational Planning, 1995.
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