| Type |  Book |
| ชื่อเรื่อง | Alternative routes to formal education : distance teaching for school equivalency / edited by Hilary Perraton |
| ISBN | 0801825873 |
| | 0801825881 |
| พิมพลักษณ์ | Baltimore : Published for the World Bank [by] Johns Hopkins University Press, c1982 |
| รูปเล่ม | xiii, 329 p. : ill. ; 25 cm |
| หัวเรื่อง | Correspondence schools and courses |
| | Correspondence schools and courses --Tanzania [] |
| | Non-formal education |
| | Non-formal education --Africa [] |