C.A. SANCHEZ Ph.D. <br/><br/>
METHODS And TECHNIQUES OF RESEARCH 

 - Philippines  REX BOOKSTORE  1998 
 - 2  c2 .
<br/><br/><label>ISBN: </label>9712303551 
<br/><br/><label>Dewey Class. No.: </label>Fil.001.4/Sa5m  / 1588