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> Introduction to Global Problem Solving > Tool Test > Part 1 > Part 2 > Part 3 > Part 4 > Part 1 > Part 2 > Part 3 > Part 4 > Part 1 > Part 2 > Part 3 > Part 4 > Part 1 > Part 2 > Part 3 > Part 4 > Teacher Notes > References
 * Before you Start:**
 * Problem Solving**
 * Recession**
 * Social Media**
 * Natural Disasters**
 * References**