Six Thinking Hats
De Bono, Edward.
Six Thinking Hats - London Penguin Books 2000 - xiii, 177 p. 19 cm ; Pbk
$19.99
978-0140296662
Psychology
153.42
Six Thinking Hats - London Penguin Books 2000 - xiii, 177 p. 19 cm ; Pbk
$19.99
978-0140296662
Psychology
153.42