TY  - BOOK
AU  - Wallen, Carl J.
AU  - Wallen, Ladonna L.
TI  - Effective classroom management: abridged edition
SN  - 9780205059850
U1  - 371.102 
PY  - 1978///
CY  - Boston
PB  - Allyn & Bacon
KW  - Education - Science
ER  -