The interaction between parent investment in children and family size an economic analysis
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Santa Monica, Calif.
Rand Corporation
1972.
|
| Cyfres: | Report / Rand Corporation
R-1003-RF |
| Pynciau: |