TY  - BOOK
AU  - De Cecco,John P.
TI  - The psychology of learning and instruction: Educational psychology 
U1  - 370.15 
PY  - 1968///]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Educational psychology
N1  - Bibliogr.: p. 753-787
ER  -