PFEIFFER, J. W. (1988). Presentation and evaluation skills in human resource development. University Associates, Inc.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPFEIFFER, J. William. Presentation and Evaluation Skills in Human Resource Development. University Associates, Inc, 1988.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPFEIFFER, J. William. Presentation and Evaluation Skills in Human Resource Development. University Associates, Inc, 1988.
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