Statistics for educational research simplified.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Cyhoeddwyd: |
Ermita, Manila
Educational Publishing House
2001.
|
| Rhifyn: | 1st ed. |
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Cyhoeddwyd: |
Ermita, Manila
Educational Publishing House
2001.
|
| Rhifyn: | 1st ed. |