1. BarrA. S. (ed.), Wisconsin Studies of the Measurement and Prediction of Teacher Effectiveness. Dembar Publications, Inc., Madison, Wisc., 1961.
2. CarrollJohn, ?A Model for School Learning,? Teachers College Record 64 (1963), 723?733.
3. Center for Cognative Learning. Concept Learning: A Bibliography, 1950?67. University of Wisconsin: Technical Report No. 82, 1969.
4. DartFrancis E. and PradhanPanna Lal, ?Cross-Cultural Reaching of Science?, Science 135 (1967), 649?656.
5. SMSG Report;Sarah T. Herriot,1967