A computational methodology for estimating child-years of dependency (CYD) from the 1968 NDS pregnancy roster
| 主要作者: | |
|---|---|
| 格式: | 圖書 |
| 語言: | English |
| 出版: |
[S.l.
s.n.]
1975.
|
| 叢編: | Research note / University of the Philippines. Population Institute
no. 18 |
| 主題: |