1.

図書
図書
1. Human problem solving
Allen Newell, Herbert A. Simon
出版情報: Englewood Cliffs, N.J. : Prentice-Hall, c1972
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2.

図書
図書
2. Problem solving in recreation and parks (: pbk)
Joseph J. Bannon
出版情報: Englewood Cliffs, N.J. : Prentice-Hall, c1972
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