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- E-bookSchaum's Outline of Vector Analysis, 2edMurray R. Spiegel
- E-bookSchaum's Outline of Discrete Mathematics, Fourth EditionSeymour Lipschutz
- E-book2000 Solved Problems in Discrete MathematicsSeymour Lipschutz
- E-bookSchaum's Outline of Mathematical Handbook of Formulas and Tables, Fifth EditionMurray R. Spiegel
- E-bookSchaum's Outline of Discrete Mathematics, Revised Third EditionSeymour Lipschutz
- E-bookSchaum's Outline of Probability, Third EditionSeymour Lipschutz
- E-bookSchaum's Outline of Complex Variables, 2edMurray R. Spiegel
- E-bookSchaum's Outline of Probability, Second EditionSeymour Lipschutz
- E-bookSchaum's Outline of Mathematical Handbook of Formulas and Tables, 4th EditionSeymour Lipschutz
- E-bookSchaum's Outline of Beginning Finite MathematicsSeymour Lipschutz