TY  - BOOK
AU  - Bell-Gredler, Margaret E.
TI  - Learning and Instruction: theory into practice 
SN  - 0-02-307930-4
U1  - 370.1523 B41 
PY  - 1986///
CY  - USA
PB  - Macmillan Publishing Company
N1  - CoED; Bachelor of Elementary Education
ER  -