| Type |  Book |
| ชื่อเรื่อง | Keeping good teachers [electronic resource] / edited by Marge Scherer |
| ISBN | 0871209535 (electronic bk.) |
| | 9780871209535 (electronic bk.) |
| พิมพลักษณ์ | Alexandria, Va. : Association for Supervision and Curriculum Development, c2003 |
| รูปเล่ม | xii, 237 p |
| หัวเรื่อง | Mentoring in education --United States [] |
| | Teachers --In-service training --United States [] |
| | Teachers --Training of --United States [] |