How to solve problems: elements of a theory of problems and problem solving /
Wickelgren, Wayne
How to solve problems: elements of a theory of problems and problem solving / Wayne,Wickelgren - xi, 262p. : ill. ; 24cm.
QA43 / .W53 1974
How to solve problems: elements of a theory of problems and problem solving / Wayne,Wickelgren - xi, 262p. : ill. ; 24cm.
QA43 / .W53 1974