Skemp, Richard R. The psychology of learning mathematics / Richard R. Skemp - 2nd edition - Harmondsworth, Eng. : Penguin Books, 1986 - 295 p. : ill. ; 20 cm - Penguin books . Includes index ISBN: 0140226680 Subjects--Topical Terms: Learning, Psychology ofMathematics--Study and teaching Dewey Class. No.: 510.71 / SKE