BLANK WILLIAM E. (1982). HANDBOOK FOR DEVELOPING COMPETENCY-BASED TRAINING PROGRAMS. PRENTICE -HALL INTERNATIONAL, INC.
Chicago-referens (17:e uppl.)BLANK WILLIAM E. HANDBOOK FOR DEVELOPING COMPETENCY-BASED TRAINING PROGRAMS. NEW JERSEY: PRENTICE -HALL INTERNATIONAL, INC, 1982.
MLA-referens (9:e uppl.)BLANK WILLIAM E. HANDBOOK FOR DEVELOPING COMPETENCY-BASED TRAINING PROGRAMS. PRENTICE -HALL INTERNATIONAL, INC, 1982.
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