Tirigall, Roberto. <br/><br/>
Secretos de la mente 
Roberto Tirigall. 
 - San Juan, P.R.  Editorial Tres iii  2010. 
 - 101 p.  23 cm. 
<br/><br/><label>ISBN: </label>9780984374311 0984374310 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conduct of life<br/>Self-actualization (Psychology)