Hale, J. (2002). Performance-based evaluation: Tools and techniques to measure the impact of training. Jossey-Bass.
Παραπομπή Chicago StyleHale, Judith. Performance-based Evaluation: Tools and Techniques to Measure the Impact of Training. Jossey-Bass, 2002.
Παραπομπή MLAHale, Judith. Performance-based Evaluation: Tools and Techniques to Measure the Impact of Training. Jossey-Bass, 2002.
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