Johnson, J R.(1987). The status of evaluation research in communication training programs. Journal of Applied Communication Research, 15(1-2), 144-159. doi:10.1080/00909888709365265
MLA CitationJohnson, John R. "The Status of Evaluation Research in Communication Training Programs". Journal of Applied Communication Research, 15.1-2 ( 1987 ): 144-159.
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