How to solve problems;: Elements of a theory of problems and problem solving (A series of books in psychology) by Wayne A. Wickelgren Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less
How to solve problems;: Elements of a theory of problems and problem solving (A series of books in psychology) by Wayne A. Wickelgren Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less