The Dog-exercising machine : a study of children as inventors

De Bono, Edward 1933-

The Dog-exercising machine : a study of children as inventors - Victoria, Australia : Penguin Books, 1971 - 125 p. : il. ; 20 cm. - Colec. Penguin education .

0-14-08-0616-4


Niños ---Solución de problemas
Arte infantil

LB 1131 / D455 1971