Patterns of Thinking in Solving Problems (Classic Reprint)

A Series of Books in Psychology: Thinking, Problem Solving, Cognition by Richard

Patterns of Thinking in Solving Problems (Classic

A Book of Problems in Arithmetic (Classic Reprint)

Problem-Solving or Practice in Thinking (Classic Reprint)

Solutions of Problems (Classic Reprint)

A Book of Problems in Arithmetic (Classic Reprint)

A Critique of the Variational Method in Scattering Problems (Classic Reprint)