Statistics in research basic concepts and techniques for research workers.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Ames, Iowa, U. S. A.
The Iowa State University Press
c1963.
|
| Rhifyn: | Second Edition. |
| Pynciau: |