Llwytho...
Surveys, Polls, and Samples: Practical Procedures
| Prif Awdur: | |
|---|---|
| Fformat: | Printed Book |
| Iaith: | English |
| Cyhoeddwyd: |
New York:
Harper & Brothers, Publishers,
1950.
|
| Rhifyn: | 1950. |
| Pynciau: |
| Disgrifiad Corfforoll: | VII;624p.: 01263. |
|---|