Evaluation: a systematic approach
Rossi, Peter H.
Evaluation: a systematic approach - 2nd ed - London Sage 1982 - 351p.
Evaluation research (social action programs)0-8039-1784-
361.6 ROS
Evaluation: a systematic approach - 2nd ed - London Sage 1982 - 351p.
Evaluation research (social action programs)0-8039-1784-
361.6 ROS