| Type |  Book |
| ชื่อเรื่อง | Unlock : listening & Speaking skills. 3 / Sabina Ostrowska |
| ผู้แต่ง | Ostowska, Sabina |
| ISBN | 9781107681545 (teacher's book) |
| | 9781107687288 |
| | 9781107687288 (student's book) |
| พิมพลักษณ์ | Cambridge : Cambridge University Press, 2014 |
| | Cambridge : Cambridge University Press, c2016 |
| รูปเล่ม | 2 volumes : colour illustrations ; 27 cm |
| หัวเรื่อง | English language --Problems, exercises [] |
| | English language --Spoken English --Textbooks for foreign speakers [] |
| | English language --Textbooks for foreign speakers [] |
| | English language --Written English [] |
| | International English Language Testing System --Study guides [] |
| | Reading comprehension |