1.
3.
Fourth Generation Evaluation
by Guba, Egon Guba, Lincoln, Y...
ISBN: 9780803932357
List Price: $123.00
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7.
Effective Evaluation: Improving the Usefulness of Evaluation Results through Responsive and ...
by Guba, Egon G., Lincoln, Yvo...
ISBN: 9781555424428
List Price: $27.00
8.
Effective Evaluation: Improving the Usefulness of Evaluation Results through Responsive and ...
by Guba, Egon G., Lincoln, Yvo...
ISBN: 9780875894935
List Price: $41.50