Pag-unlad at pagbabago = Development and progress socio-economic problems
| 1. autor: | |
|---|---|
| Format: | Książka |
| Wydane: |
Manila
Phil. Book Co.
1980.
|
| 1. autor: | |
|---|---|
| Format: | Książka |
| Wydane: |
Manila
Phil. Book Co.
1980.
|