Morris, Robert (Robert W.), 1914-
著者名典拠詳細を表示
| コード類 | 典拠ID=AL00051869 NCID=DA0193266X |
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| 1 | Geometry in schools Paris : Unesco , 1986 |
| 2 | Studies in mathematics education / edited by Robert Morris v. 1 - v. 7. - Paris : Unesco , 1980- |