Fundamentals of research 
Aquino, Gaudencio V. 
 -  National Book Store, Inc.  1992 
 - vii, 245 pages. 
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<br/><br/><label>ISBN: </label>9-71085193-4 
<br/><br/><label>Dewey Class. No.: </label>GS 001.4 Aq5f 1992