Facilitating learning / 
Vega, Violeta A.; Prieto, Nelia G. 
 - Mandaluyong City :  Books Atbp. Publishing Corp.,  2012. 
 - xi, 196 p.; 22.1cm. 
<br/><br/>includes references 
<br/><br/><label>ISBN: </label>9710412273 
<br/><br/><label>Dewey Class. No.: </label>Fil 371.26 V422 2012