Research practice
| Awduron Eraill: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Singapore
Toppan Pub.
c1994.
|
| Cyfres: | International handbooks of quantitative applications in the social sciences
v.6 |
| Pynciau: |