References
- Langer , S. K. 1955 . Philosophy in a new key , New York : Mentor Books .
- Leming , J. S. 1989 . The two cultures of social studies education . Social Education , 53 : 404 – 408 .
- Phillips , D. C. 1989 . Philosophy, science and social inquiry , New York : Pergamon Press .
- Snow , C. P. 1959 . The two cultures and the scientific revolution , Cambridge : Cambridge University Press .