Não informado. (1972). Prospects: Comparative journal of curriculum, learning and assessment. Unesco.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Prospects: Comparative Journal of Curriculum, Learning and Assessment. Paris: Unesco, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Prospects: Comparative Journal of Curriculum, Learning and Assessment. Unesco, 1972.
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