A computational methodology for estimating child-years of dependency (CYD) from the 1968 NDS pregnancy roster
| 1. autor: | |
|---|---|
| Format: | Książka |
| Język: | English |
| Wydane: |
[S.l.
s.n.]
1975.
|
| Seria: | Research note / University of the Philippines. Population Institute
no. 18 |
| Hasła przedmiotowe: |