The dog exercising machine : a study of children as inventors
De Bono, Edward 1933-
The dog exercising machine : a study of children as inventors created by Edward De Bono - Harmondsworth Penguin Books 1970 - 168 pages ill. 25 cm
022461956X 0140806164
Problem solving in children
Children's art
The dog exercising machine : a study of children as inventors created by Edward De Bono - Harmondsworth Penguin Books 1970 - 168 pages ill. 25 cm
022461956X 0140806164
Problem solving in children
Children's art