Não informado. (1972). Educational Administration. British Educational Administration Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Educational Administration. Bristol, Inglaterra: British Educational Administration Society, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Educational Administration. British Educational Administration Society, 1972.
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