Unesco. (1983). World concerns and the United Nations Model Teaching units for primary. Secondary and teacher education.
Chicago Style (17. basım) AtıfUnesco. World Concerns and the United Nations Model Teaching Units for Primary. Secondary and teacher education, 1983.
MLA (9th ed.) AtıfUnesco. World Concerns and the United Nations Model Teaching Units for Primary. Secondary and teacher education, 1983.
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