Handbook in research and evaluation a collection of principles, methods, and strategies useful in the planning, design, and evaluation of studies in education and the behavioral sciences
| Autor principal: | |
|---|---|
| Otros Autores: | |
| Formato: | Libro |
| Publicado: |
San Diego, Calif.
EDITS Publishers
c1981.
|
| Edición: | 2nd ed. |
| Materias: |