Umila, B. V. Path analysis and the discrepancy evaluation model: An approach to program evaluation. Education quarterly..
Cita Chicago (17th ed.)Umila, Benwardo V. "Path Analysis and the Discrepancy Evaluation Model: An Approach to Program Evaluation." Education Quarterly. .
Cita MLA (9th ed.)Umila, Benwardo V. "Path Analysis and the Discrepancy Evaluation Model: An Approach to Program Evaluation." Education Quarterly., .
Atenció: Aquestes cites poden no estar 100% correctes.