[1] Elementos de Matemática Discreta
E. Bujalance y otros
Editorial Sanz y Torres
ISBN: 8488667353
[2] Problem-Solving Through Problems
Loren C. Larson
Editorial Springer-Verlag
ISBN: 3-540-96171-2
[3] How to Read and Do Proofs
Daniel Solow
John Willey & Sons, Inc.
ISBN: 0-471-68058-3
[4] Sequences, Combinations, Limits
S. I. Gelfand y otros
Dover Publications, Ind.
ISBN: 0-486-42566-5
[5]Proofs without Words : Exercises in Visual Thinking (Classroom Resource Material)
Roger B. Nelsen
The Mathematical Association of America
ISBN: 0-88385-700-6
[6]Proofs without Words II: More Exercises in Visual Thinking (Classroom Resource Material)
Roger B. Nelsen
The Mathematical Association of America
ISBN: 0-88385-721-9
[7] The Nuts and Bolts of Proofs
Antonella Cupillari
Elsevier Academic Press
ISBN: 0-12-088509-3
