Evaluation: a systematic approach /
Rossi, Peter Henry.
Evaluation: a systematic approach / by Peter H. Rossi, Howard E. Freeman. - 5th ed. - Newbury Park, Calif. : Sage, 1993. - xii, 488 p.
Includes bibliographical references and index.
0803944586
Evaluation research (Social action programs).
Evaluation: a systematic approach / by Peter H. Rossi, Howard E. Freeman. - 5th ed. - Newbury Park, Calif. : Sage, 1993. - xii, 488 p.
Includes bibliographical references and index.
0803944586
Evaluation research (Social action programs).