| Type |  Book |
| ชื่อเรื่อง | Opportunities : upper intermediate / Michael Harris, David Mower, Anna Sikorzynska |
| ผู้แต่ง | Harris, Michael 1955- |
| ISBN | 0582419735 |
| | 0582419735 (Student's book) |
| | 9780582419735 418 |
| พิมพลักษณ์ | Harlow, England : Pearsonn Education, 2002 |
| ครั้งที่พิมพ์ | 5th ed |
| รูปเล่ม | 176 p. : ill |
| หัวเรื่อง | English language |
| | English language|xtextbooks for foreigners |
| | English language --Sound recordings for foreign speakers [] |
| | English language --Textbooks for foreign speakers [] |
| | English language --Problems, exercises, etc [] |
| | English language --Spoken English --Study and teaching [] |
| | English language --Study and teaching --Foreign speakers [] |
| | English language --Textbooks for foreign speakers [] |
| | English language --Textbooks for foreign speakers [] |