References
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- Gardner , J. 1984 . Excellence: Can we be equal and excellent too , New York : Norton Company .
- Hammerstein , O. and Logan , J. 1949 . “You've got to be carefully taught.” . In South Pacific Produced by Richard Rogers
- Hamilton , E. and Carns , H. 1961 . The selected dialogues of Plato , New York : Pantheon Books .