Não informado. (1966). Training and development journal. American Society for Training and Development.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Training and Development Journal. Alexandria, Va: American Society for Training and Development, 1966.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Training and Development Journal. American Society for Training and Development, 1966.
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