Pag-unlad at pagbabago = Development and progress socio-economic problems
| Auteur principal: | |
|---|---|
| Format: | Livre |
| Publié: |
Manila
Phil. Book Co.
1980.
|
| Auteur principal: | |
|---|---|
| Format: | Livre |
| Publié: |
Manila
Phil. Book Co.
1980.
|