Kahney Hank Problem solving : a cognitive approach / Hank Kahney. - Milton Keynes ; Philadelphia : Open University Press, 1986. - 155 p. : ill. ; 23 cm. - Open guides to psychology . Includes indexes. Bibliography: p. 150-152. ISBN: 0335153275 Subjects--Topical Terms: Problem solvingCognition LC Class. No.: BF441