1. Observations on the use of direct instruction with young disadvantaged children;Bereiter;J. Sch. Psychol.,1966
2. Stability and change in human characteristics;Bloom,1964
3. The growth of mind;Bruner;Amer. Psychol.,1965
4. From theory to classroom;Educational Testing Service,1965
5. The development psychology of Jean Piaget;Flavell,1963