(1972). Evaluation research: Methods for assessing program effectiveness / [by] Carol H. Weiss.
Cita Chicago (17th ed.)Evaluation Research: Methods for Assessing Program Effectiveness / [by] Carol H. Weiss. 1972.
Cita MLA (9th ed.)Evaluation Research: Methods for Assessing Program Effectiveness / [by] Carol H. Weiss. 1972.
Atenció: Aquestes cites poden no estar 100% correctes.