| Type |  Book |
| ชื่อเรื่อง | Learner-centered theory and practice in distance education [electronic resource] : cases from higher education / edited by Thomas M. Duffy, Jamie R. Kirkley |
| ISBN | 1410609480 (electronic bk.) |
| | 9781410609489 (electronic bk.) |
| พิมพลักษณ์ | Mahwah, N.J. : Lawrence Erlbaum Associates, 2004 |
| รูปเล่ม | 1 online resource (xix, 453 p.) : ill |
| หัวเรื่อง | Distance education --United States --Case studies [] |
| | Instructional systems --United States --Design --Case studies [] |
| | Internet in higher education --United States --Case studies [] |