Practical research : planning and design
by: Leedy, Paul D
Practical research : planning and design
| Main Author: | Leedy, Paul D |
|---|---|
| Other Authors: | Ormrod, Jeanne Ellis |
| Published: |
Upper Saddle River, NJ:
Pearson,
2010.
|
| Edition: | 9th ed. |
| Subjects: |