Michael Quinn Patton.
Utilization-focused evaluation - Thousand Oaks : Sage Publications, c2008. - xx, 667 p. 26 cm.
Evaluation research (Social action programs) --United States.
361.6 / U89
Utilization-focused evaluation - Thousand Oaks : Sage Publications, c2008. - xx, 667 p. 26 cm.
Evaluation research (Social action programs) --United States.
361.6 / U89