| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Manual of Information Relative to the Philippine Civil Service Showing the Positions, Classified and Unclassified, the Methods Governing Examinations, ... Questions and Conditions of Appointm | 978-1-146-16937-O (1-146-16937-X) | 2010 |
B. C · Bureau of · **O.C.** · P. B. C. · P. C.
Philippines. Bureau of Education