Watzlawick, Paul, <br/><br/>
Cambio  formación y solución de los problemas humanos 
Paul Watzalawick ; John H. Weckland ; versión de Alfredo Guera. 
 - 4a ed. 
 - Barcelona  Editorial Herder  c1985. 
 - 194 p.  22 cm. 
 - Biblioteca de psicologia .
<br/><br/> Translation of: Change: principles of problem formation and problem resolution. 
<br/><br/><label>ISBN: </label>8425406196 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Problem Solving<br/>Change (Psychology)<br/>Interpersonal relations