 | The Elaboration of School Textbooks - Methodological Guide (UNESCO, 1989, 66 p.) |
 |  | V. MANAGEMENT OF THE ELABORATION OF MANUSCRIPTS |
| | School Textbook Committees |
|
|
|
|
| The Elaboration of School Textbooks - Methodological Guide (UNESCO, 1989, 66 p.) |
| | V. MANAGEMENT OF THE ELABORATION OF MANUSCRIPTS |
| | School Textbook Committees |
|
|
|
|
|