| Type |  Book |
| ชื่อเรื่อง | Impact mathematics : algebra and more for the middle grades / developed by Education Development Center, Inc |
| ISBN | 157039850X (Course 1) |
| | 1570398550 (Course 2) |
| | 1570398607 (Course 3) |
| พิมพลักษณ์ | Chicago, Ill. : Everyday Learning ; Glencoe McGraw-Hill, 2000-2002 |
| รูปเล่ม | 3 v. : ill. ; 28 cm |
| หัวเรื่อง | Algebra --Study and teaching (Middle school) [] |
| | Mathematics --Study and teaching (Middle school) [] |