How To Solve It George Polya

Penguin

How to Solve It: A New Aspect of Mathematical Method

Ishi Press

How To Solve It: A New Aspect of Mathematical Method

Editorial Trillas Sa De Cv

Cómo plantear y resolver problemas / How to solve it

Betascript Publishing

How to Solve It: How to Solve It, George Pólya, Problem Solving, Mathematical Problem

Dover Publications

The Stanford Mathematics Problem Book: With Hints and Solutions (Dover Books on Mathematics) (English Edition)

How To Solve It: A New Aspect of Mathematical Method

Springer

How to Solve It: Modern Heuristics              

Francke-Buchhandlung

Schule des Denkens: Vom Lösen mathematischer Probleme

Penguin

Math Without Numbers                            

Alphascript Publishing

Diagrammatic Reasoning: Reasoning, Visual System, Representation, Diagram, Imagery, Natural Language, Algebra, Heuristic, How to Solve It, Natural Deduction, George Pólya.