Pag-unlad at pagbabago = Development and progress socio-economic problems
| Autor principal: | |
|---|---|
| Format: | Llibre |
| Publicat: |
Manila
Phil. Book Co.
1980.
|
| Autor principal: | |
|---|---|
| Format: | Llibre |
| Publicat: |
Manila
Phil. Book Co.
1980.
|