TY  - BOOK
TI  - Prevention of bullying in schools, colleges, and universities: research report and recommendations  
AV  - LB3013.3 P74 2013
PY  - 2013///
CY  - Washington, D.C.
PB  - American Educational Research Association
KW  - Violencia en escuelas
N1  - Incluye referencias bibliográficas
ER  -