Newcomer, K. E., Hatry, H. P., & Wholey, J. S. (2015). Handbook of practical program evaluation (Fourth edition.). Jossey-Bass.
Chicago Style aipamenaNewcomer, Kathryn E., Harry P. Hatry, and Joseph S. Wholey. Handbook of Practical Program Evaluation. Fourth edition. Hoboken, NJ: Jossey-Bass, 2015.
MLA aipamenaNewcomer, Kathryn E., et al. Handbook of Practical Program Evaluation. Fourth edition. Jossey-Bass, 2015.
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