| Type |  Book |
| ชื่อเรื่อง | Systems and policy : the function of information in improving education systems : national case studies of Argentina, Denmark, German Democratic Republic, lraq, New Zealand / prepared for the International Bureau of Education |
| ISBN | 9231015222 |
| พิมพลักษณ์ | Paris : Unesco, International Bureau of Education, 1972 |
| รูปเล่ม | 82 p. : ill. ; 24 cm |
| หัวเรื่อง | Communication in educations |
| | Education and state --Case studies [] |
| | Education --Informantion services --Case studies [] |
| | Education --Innovations [] |