| Type |  Book |
| ชื่อเรื่อง | Informatics and the teaching of mathematics : proceedings of the IFIP TC 3/WG 3.1 working conference on informatics and the teaching of mathematics, Sofia, Bulgaria, 16-18 May, 1987 / edited by David C. Johnson, Frank Lovis |
| ผู้แต่ง | Ifip tc 3wg 3.1 working conference (1987 : Sofia, Bulgaria) |
| ISBN | 044470325X |
| พิมพลักษณ์ | Amsterdam : North-Holland, c1987 |
| รูปเล่ม | 172 p. : ill |
| หัวเรื่อง | Computer-assisted instruction |
| | Computers |
| | Congresses |
| | Electronic data processing |
| | Mathematics |