Isang masusing pag-aaral sa ortographia ng wikang Pilipino [microform]
| Κύριος συγγραφέας: | |
|---|---|
| Μορφή: | Visual Material | 
| Γλώσσα: | English | 
| Έκδοση: | Quezon City
          Photoduplication Service, University of the Philippines Library
    
        1974. | 
| Θέματα: |