The art of solving problems.
Jackson, K.F.
The art of solving problems. - ed. - London : Hodder and Stoughton, 1975. - 244 p. : ill. ; cm.
Includes bibliographical references, index.
034021256X : $
Psychology.
The art of solving problems. - ed. - London : Hodder and Stoughton, 1975. - 244 p. : ill. ; cm.
Includes bibliographical references, index.
034021256X : $
Psychology.