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Realist evaluation : an emerging theory in support of practice
Henry, Gary T., (1998)
Creating effective graphs : solutions for a variety of evaluation data
Henry, Gary T., (1997)
Advances in mixed method evaluation : the challenges and benefits of integrating diverse paradigms
Greene, Jennifer C., (1997)
Evaluating programs for the homeless
Rog, Debra J., (1991)
The feedback research approach to evaluation: A method to increase evaluation utility
Rog, Debra J., (1984)
Applied research design : a practical guide
Hedrick, Terry E., (1993)