TY  - BOOK
AU  - Mah, Ronald
TI  - Difficult behavior in early childhood: positive discipline for PreK-3 classrooms and beyond 
SN  - 9781412937153
U1  - Res 370.15'28 M277 2007 
PY  - 2007///
CY  - California
PB  - Corwin Press.
KW  - Behavior modification -- United States
KW  - Early childhood education -- United States
KW  - Discipline
N1  - Includes bibliographical references and index.
ER  -