TY  - BOOK
AU  - Dececco, Jhon P
AU  - Crawford, William. R
TI  - Psychology of learning and instruction: : educational psychology 
U1  - 370.15 D35 
PY  - 1977///
CY  - New Delhi
PB  - :Prentice Hall of India, 
KW  - Educational psychology
KW  - | Behavior
KW  - | Performance - assesment
KW  - | Educational instructions - models
KW  - | Instructional technology
ER  -