| Type |  Book |
| ชื่อเรื่อง | Changes : English for international communication : student's book 2 / Jack C. Richads, with Jonathan Hull, Susan Proctor |
| ผู้แต่ง | Richards, Jack c. 1943- |
| ISBN | 0521449308 |
| | 9780521449304 |
| พิมพลักษณ์ | Cambridge : Cambridge University Press, c1995 |
| รูปเล่ม | 144 p. : ill |
| หัวเรื่อง | Communication, International --Problems, exercises, etc [] |
| | Communication --Study and teaching [] |
| | English language --Textbooks for foreign speakers [] |
| | English language --Textbooks for foreign speakers --Communication approach [] |