A whack on the side of the head :
von Oech, Roger
A whack on the side of the head : how you can be more creative / Roger von Oech. - New York : Warner Books, c1990, 1983 . - 196 p. : ill.
Includes index.
0446391581
Creative thinking.
Success.
A whack on the side of the head : how you can be more creative / Roger von Oech. - New York : Warner Books, c1990, 1983 . - 196 p. : ill.
Includes index.
0446391581
Creative thinking.
Success.
