Evaluation research: Methods of assessing program effectiveness.
Weiss C H.
Evaluation research: Methods of assessing program effectiveness. - Englewood Cliffs, N.J. Prentice-Hall Inc., 1972 - 160p.
Program Evaluation
Research
HD 38-40: N72E: WEI
Evaluation research: Methods of assessing program effectiveness. - Englewood Cliffs, N.J. Prentice-Hall Inc., 1972 - 160p.
Program Evaluation
Research
HD 38-40: N72E: WEI