Paghahanda ng mga kagamitang pampagtuturo 
Abad, Marietta A. 
 -  National Book Store, Inc.  1996 
 - xi, 149 pages. 
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<br/><br/><label>ISBN: </label>9-71085894-7 
<br/><br/><label>Dewey Class. No.: </label>F 899 Ab1p 1996