Csikszentmihalyi, Mihaly <br/><br/>
Flow :  the psychology of optimal experience. 

 - xii, 303p. (pbk)  21cm. 
<br/><br/> Includes bib. references 
<br/><br/><label>ISBN: </label>0-06-092043-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Attention.<br/>Happiness.
<br/><br/><label>Dewey Class. No.: </label>155.2 C958 1990