1957 - ALGEBRA For PROBLEM SOLVING Book 2 - NO ANSWERS - Freilich, Berman, Johns

Solving Mathematical Problems: A Personal Perspective by Terence Tao (Paperback,

Human Problem Solving

Architecture of Systems Problem Solving by George Klir: Used

Summer Solutions Problem Solving Level 7

Civil Engineering Problem Solving Flowcharts - paperback 3rd 2008 kaplan

Kumon Complete Stem Missions-Problem Solving with Science, Technology

Problem Solving with Algorithms and Data Structures Using Python 2nd Edition