Jasul, Valentino Balane,  <br/><br/>
Effective argumentation and debate : 
Valentino Balane Jasul, Evangelina Sevilla-Seril. 
 - Philippines:  Mutya Publishing House,  2002. 
 - v, 120 pages :  26 cm+ 
<br/><br/><br/>Tagalog 
<br/><br/><label>ISBN: </label>971821030X 
<br/><br/><label>Dewey Class. No.: </label>808.53  / J31