TY - BOOK AU - Olweus,Dan TI - Bullying at school: what we know and what we can do T2 - Understanding children's worlds SN - 0631192417 AV - LB1124. O48 1993 U1 - 371.58 PY - 1993///] CY - Oxford, UK, Cambridge, USA PB - Blackwell KW - Behavioral assessment of children KW - Bullying KW - Aggressiveness in children N1 - Includes bibliographical references (pages 129-135) and index; What we know about bullying -- What we can do about bullying -- Effects of the intervention program -- Additional practical advice and a core program ER -