XXIInd International Conference on Public Education, Geneva, 1959. Primary School Textbooks. Preparation-selection-use. A Comparative Study, Etc. [Published Jointly by UNESCO and the International Bureau of Education.].
![XXIInd International Conference on Public Education, Geneva, 1959. Primary School Textbooks. Preparation-selection-use. A Comparative Study, Etc. [Published Jointly by UNESCO and the International Bureau of Education.]. XXIInd International Conference on Public Education, Geneva, 1959. Primary School Textbooks. Preparation-selection-use. A Comparative Study, Etc. [Published Jointly by UNESCO and the International Bureau of Education.].](https://via.placeholder.com/150x200.png?text=No+Cover)
Auteur: Unesco
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