Population.
| Corporate Author: | |
|---|---|
| Format: | Book | 
| Language: | English | 
| Published: | 
        Manila
          [PIEO/National Media Production Center]
    
        1972.
     | 
| Subjects: | 
| Corporate Author: | |
|---|---|
| Format: | Book | 
| Language: | English | 
| Published: | 
        Manila
          [PIEO/National Media Production Center]
    
        1972.
     | 
| Subjects: |