Program evaluation : alternative approaches and practical guidelines.
Worthen, Blaine R.
Sanders, James R.
Fitzpatrick, Jody L.
Worthen, Blaine R.Educational evaluation.
New York ; Harlow : Longman,
c1997.
Previous ed.: published as Educational evaluation / Blaine R. Worthens and James R. Sanders. c1987.
Includes bibliographical references and index.
Educational evaluation
Evaluation research (Social action programs)
Evaluation