| Type |  Book |
| ชื่อเรื่อง | A survery of state-level involvement in distance education at the elementary and secondary levels / Richard England |
| ผู้แต่ง | England, Richard |
| ISBN | 1877780049 |
| พิมพลักษณ์ | University Park, Pa. : American Center for the study of the study of Distance Education, The Pennsylvania State University, 1991 |
| รูปเล่ม | 34 p. ; 38 cm |
| หัวเรื่อง | Distance education --United States [] |
| | Education and state --United States [] |