Essentials of Research and Business Correspondence 
Cabrera, Lucila DM 
 - Manila :  Booklore Publishing Co.  c2009. 
 - iv, 237 p.  ; (np) ;  22 cm. 
<br/><br/><label>ISBN: </label>9789718171479 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Writing--academic research.  Writing --business correspondence--c2009.--Manila.--newsprint.