REFERENCES
- Goodlad, John I., and Richter, Maurice N., Jr. The Development of a Conceptual System for Dealing with Problems of Curriculum and Instruction. Los Angeles: University of California, 1960.
- Klausmeier, Herbert J., et al. Concept Learning: A Bibliography, 1950–1967. Madison: University of Wisconsin, 1969.
- Piaget, Jean. “Piaget's Theory.” Carmichael's Manual of Child Psychology. Edited by Paul H. Mussen. New York: Wiley, 1970.
- Tyler, Ralph W. Basic Principles of Curriculum and Instruction. Chicago: University of Chicago Press, 1950.
- Zigler, Edward. “Social Class and the Socialization Process.” Review of Educational Research, 40 (February, 1970), 87–110.