1. Brien, R. L., & Towle, N. J. Instructional design and development: Accelerating the process.Educational Technology, 1977,17(2), 12–17.
2. Brodbeck, M. Toward a fabric of knowledge: Common elements among fields of learning.The Educational Record, 1962,43(3), 217–222.
3. Bruner, J.The process of education. Cambridge: Harvard University Press, 1955.
4. Elam, S. (Ed.).Education and the structure of knowledge: Fifth annual Phi Delta Kappa symposium on educational research. Chicago: Rand McNally, 1964.
5. Ford, G. W., & Pugno, L. (Eds.).The structure of knowledge and the curriculum. Chicago: Rand McNally, 1964.