| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| TopClassTutors.ORG CHEMISTRY HL/SL Revision Guide / F.Groeneveld IB-REVISION-COURSES.COM | 978-90-823459-1-9 (90-823459-1-9) | 2017 | I.Bodrug |
| TopClassTutors.ORG Math SL Revision Guide F.Groeneveld IB-Revision-Courses.Com | 978-90-823459-0-2 (90-823459-0-0) | 2015 | " |