Ballado, Ronato S. <br/><br/>
Problem solving / 
Ronato S. Ballado, Mary June F. Tan-Adalla. 
 - Quezon City :  Great Books Trading,  2017. 
 - iv, 127 p. ; 23 cm 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9789719645382 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking<br/>Cognition<br/>Problem solving