PFEIFFER, J. W. (1988). Presentation and evaluation skills in human resource development. University Associates, Inc.
Lua i Stíl Chicago (17ú heag.)PFEIFFER, J. William. Presentation and Evaluation Skills in Human Resource Development. University Associates, Inc, 1988.
Lua MLA (8ú heag.)PFEIFFER, J. William. Presentation and Evaluation Skills in Human Resource Development. University Associates, Inc, 1988.
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