Educational research planning, conducting, and evaluating quantitative and qualitative research
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Cyhoeddwyd: | 
        Boston, Mass.
          Pearson
    
        c2012.
     | 
| Rhifyn: | 4th ed. | 
| Pynciau: | 
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Cyhoeddwyd: | 
        Boston, Mass.
          Pearson
    
        c2012.
     | 
| Rhifyn: | 4th ed. | 
| Pynciau: |