TY  - BOOK
AU  - Kerr, Mary Margaret and Nelson, C. Michael
TI  - Strategies for managing behavior problems in the classroom
SN  - 067521033X
U1  - 371.25 
PY  - 1989///
CY  - London
PB  - ; Merrill Publishing
KW  - Education
KW  - Educational Psychology
ER  -