TY  - BOOK
AU  - De Cecco,John P.
AU  - Crawford,William R.
TI  - The psychology of learning and instruction: educational psychology 
SN  - 0137329172
PY  - 1974///
CY  - Englewood Cliffs
PB  - Prentice-Hall
KW  - Educational psychology
N1  - Includes bibliographies; Open access
ER  -