1.
図書 |
collected and ed. by M. Dino Carelli and John G. Morris ; authors, Jean Cardinet ... [et al.]
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2.
雑誌 |
Unesco Institute for Education ; Unesco Institute for Lifelong Learning
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3.
図書 |
edited by H.H. Stern, with a research guide by John B. Carroll
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4.
図書 |
edited by Reginald Edwards, Brian Holmes and John Van de Graaff
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