Demographic aspects of educational planning.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
[Paris]
Unesco, International Institute of Educational Planning
[c1969].
|
| Cyfres: | Fundamentals of educational planning 9
|
| Pynciau: |