H. P. · H. Paul · Paul Hoang
| title | ISBN-13 | year of publication |
|---|---|---|
| Camigcse Ol Eco 2ed Dl Package | 978-1-5104-2267-4 | 2018 |
| Camigcse Olev Economics 2nd ed Set | 978-1-5104-2021-2 | 2018 |
| Camigcse Olev Economics 2nd ed Wet | 978-1-5104-2022-9 | 2018 |
| Extended Essay for the Ib Diploma | 978-1-5104-1761-8 | 2017 |