Evaluation research :
Weiss, Carol H.
Evaluation research : Methods for assessing program effectiveness / Carol H. Weiss. - Englewood Cliffs, New Jersey : Prentice Hall, Inc., 1972. - 160 p.
0-13-292193-6
Social sciences
Evaluation research : Methods for assessing program effectiveness / Carol H. Weiss. - Englewood Cliffs, New Jersey : Prentice Hall, Inc., 1972. - 160 p.
0-13-292193-6
Social sciences