| Type |  Book |
| ชื่อเรื่อง | Unlock level 1 reading, writing, & critical thinking student's book, mobile app and online workbook 2 with downloadable audio and video / Sabina Ostrowska; Kate Adams, (Educator); Chris Sowton |
| ISBN | 9781108593519 (v.5) |
| | 9781108667425 (v.4) |
| | 9781108681612 |
| | 9781108681612 (v.1) |
| | 9781108686013 (v.3) |
| | 9781108690270 (v.2) |
| พิมพลักษณ์ | Cambridge : Cambridge University Press, 2019 |
| | Cambridge : Cambridge University Press, c2019 |
| ครั้งที่พิมพ์ | 2nd ed |
| รูปเล่ม | 207 pages : illustrations ; 26 cm |
| หัวเรื่อง | English language --Textbooks for foreign speakers [] |
| | Reading comprehension --Problems, exercises, etc [] |
| | English language --Textbooks for foreign speakers [] |
| | Reading comprehension --Problems, exercises, etc [] |