Unesco. (1983). World concerns and the United Nations Model Teaching units for primary. Secondary and teacher education.
Chicagoスタイル(17版)引用形式Unesco. World Concerns and the United Nations Model Teaching Units for Primary. Secondary and teacher education, 1983.
MLA(9版)引用形式Unesco. World Concerns and the United Nations Model Teaching Units for Primary. Secondary and teacher education, 1983.
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