Batu Research and Documentation Center Journal.
| Formáid: | Continuing Resource | 
|---|---|
| Teanga: | English | 
| Foilsithe / Cruthaithe: | Manila
          Batu Research and Documentation Center
    
        1991- | 
| Formáid: | Continuing Resource | 
|---|---|
| Teanga: | English | 
| Foilsithe / Cruthaithe: | Manila
          Batu Research and Documentation Center
    
        1991- |