International Conference on Public Education. (1959). Primary school textbooks: Preparation, selection, use : a comparative study. Unesco ; International Bureau of Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Conference on Public Education. Primary School Textbooks: Preparation, Selection, Use : A Comparative Study. Paris : Geneva: Unesco ; International Bureau of Education, 1959.
Παραπομπή σε μορφή MLA (8th εκδ.)International Conference on Public Education. Primary School Textbooks: Preparation, Selection, Use : A Comparative Study. Unesco ; International Bureau of Education, 1959.
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