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

 - 3 
 - Philippines  REX BOOKSTORE  1998 
 - 1  c1 .
<br/><br/><label>ISBN: </label>9712323013 
<br/><br/><label>Dewey Class. No.: </label>Fil.001.4/Sa5m  / 1587