| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| CIVIL SERVICE REVIEWER: For Professional and for Sub-Professional, How to pass the Civil Service Exam?: EXAMINEES DESCRIPTIVE QUESTIONNAIRE, ANSWER KEYS | 978-1-5219-2727-4 (1-5219-2727-8) | 2017 |
| Civil Service Reviewer: Preamble: Philippine Constitution | 978-1-5219-1811-1 (1-5219-1811-2) | 2017 |