A methodological study on the reliability of the 1974 National Acceptor Survey (NAS)
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
[S.l.
s.n.]
1976.
|
| Cyfres: | Research note / University of the Philippines. Population Institute
no. 92 |
| Pynciau: |