| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Introduction to Functional Equations: Theory and Problem-solving Strategies for Mathematical Competitions and Beyond | 978-0-8218-5314-6 (0-8218-5314-7) | 2011 |
| SPHERICAL HARMONICS IN P DIMENSIONS | 978-981-4596-69-5 (981-4596-69-8) | 2014 |