A computational methodology for estimating child-years of dependency (CYD) from the 1968 NDS pregnancy roster
| Main Author: | |
|---|---|
| Format: | Book | 
| Language: | English | 
| Published: | [S.l.
          s.n.]
    
        1975. | 
| Series: | Research note / University of the Philippines. Population Institute
              no. 18 | 
| Subjects: |