| Type |  Book |
| ชื่อเรื่อง | Work on your grammar : over 200 exercises to improve your English grammar (elementary A1) |
| ISBN | 9780007499533 |
| | 9780007499533 : (pbk.) |
| พิมพลักษณ์ | London : HarperCollins Pub. , 2013 |
| | London : HarperCollins, c2013 |
| รูปเล่ม | 127 p . : ill. ; 28 cm |
| หัวเรื่อง | English language --Textbooks for foreign speakers [] |
| | English language --Examination, questions, etc [] |
| | English language --Examinations, questions, etc [] |
| | English language --Grammar --Problems, exercises,etc [] |
| | Grammar |
| | English grammar |