Research and technical writing / 
Reynaldo R. Portillo ; Imalde K. Gamboa ; Vivian B. Flores ; Ma. Consuelo S. Quindara ; Mila E. Isles ; Amelia O. Bacuñgan ; Clarita O. Manzano ; Carolina G. Alberca 
 - Meycauayan Bulacan :  Trintas Publishing, Inc.,  2003. 
 - 259 p. ; 25.4cm. 
<br/><br/>includes about the authors 
<br/><br/><label>ISBN: </label>9714203937 
<br/><br/><label>Dewey Class. No.: </label>Fil 808 P83 2003