The dog-exercising machine : a study of children as inventors /
De Bono, Edward.
The dog-exercising machine : a study of children as inventors / Edward de Bono. - Harmondsworth : Penguin, 1971. - 125 p. : ill., facsims. ; 20 cm. + pbk. - Penguin education .
0140806164 (pbk)
Problem solving (Child psychology)
Children's art.
155.413
The dog-exercising machine : a study of children as inventors / Edward de Bono. - Harmondsworth : Penguin, 1971. - 125 p. : ill., facsims. ; 20 cm. + pbk. - Penguin education .
0140806164 (pbk)
Problem solving (Child psychology)
Children's art.
155.413