TY  - BOOK
AU  - Levin,James
TI  - Principles of classroom management: a professional decision- making model 
PY  - 2000///
CY  - Boston
PB  - Allyn and Bacon
KW  - Classromm Management
KW  - United States
KW  - Problems, exercises, etc
KW  - Teaching
N1  - Includes bibliographical references and index
ER  -