TY  - BOOK
AU  - Clark,Ron
TI  - The essential 55: an award-winning educator´s rules for discovering the successful student in every child 
SN  - 9781401300012
U1  - 371.102 
PY  - 2003///
CY  - New York, NY
PB  - Hyperion
KW  - Conducta infantil
KW  - Pedagogía
ER  -