TY  - BOOK
AU  - Mah,Ronald
TI  - Difficult behavior in early childhood: positive discipline for Pre-3 classrooms and beyond 
SN  - 1412937140
PY  - 2007///
CY  - London
PB  - Sage Pub
KW  - Behavior modification
KW  - United States
KW  - Early childhood education
KW  - Discipline
N1  - Includes bibliographical references and index
ER  -