Nakayama, K. (1993). 世界の環境教育=: Enviromental education of the world. Japan: 鈴木正明.
Trích dẫn kiểu ChicagoNakayama, Kazuhiko. ĸ�界の環境教育=: Enviromental Education of the World. Japan: 鈴木正明, 1993.
Deismireacht MLANakayama, Kazuhiko. ĸ�界の環境教育=: Enviromental Education of the World. Japan: 鈴木正明, 1993.
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