Fundamentals of research and business correspondence 
Dagdag, Lourdes. 
 -  Mutya Publishing House,  2006 
 - [v],248 pages 
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<br/><br/><label>ISBN: </label>9-71821070-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business letters.
<br/><br/><label>Dewey Class. No.: </label>F 001.4 F96 2006