| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| IELTS General Training & Academic Secrets Study Guide: General Training Practice Test Questions & Academic Practice Test Questions for the Listening, Reading, Writing, and Speaking Sections | 978-1-5167-1011-9 (1-5167-1011-8) | 2019 |
| IELTS General Training and Academic Secrets Study Guide 2020 & 2021: IELTS Book for Academic and General Training, Practice Test Questions, ... Audio Links for the Listening Section] | 978-1-5167-1224-3 (1-5167-1224-2) | 2019 |
| IELTS General Training and Academic Secrets Study Guide: IELTS Book for Academic & General Training Tests, Practice Test Questions, Step-by-Step Exam ... Audio Links for the Listening Section] | 978-1-5167-1165-9 (1-5167-1165-3) | 2019 |
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