Polya, George <br/><br/>
Mathematical discovery:  On understanding, learning and teaching problem solving / 
George Polya 
 - 1a ed. 
 - New York :  John Wiley & Sons,  1981 
 - xxv, 220 p. :  il. ;  23 cm. 
<br/><br/>Incluye bibliografía e índice 
<br/><br/><label>ISBN: </label>0471089753 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matemáticas<br/>Solución de problemas
<br/><br/><label>LC Class. No.: </label>QA43  / P65 1981