RT Book T1 Bullying in American schools: a socio-ecological perspective on prevention and intervention A2 Espelage, Dorothy L. LA English PP Mahwah, NJ u.a. PB Erlbaum YR 2004 UL https://krimdok.uni-tuebingen.de/Record/160852454X CN 371.580973 SN 0-8058-4559-3 SN 0-8058-4560-7 K1 Bullying in schools : United States K1 Bullying in schools : United States : Prevention K1 Aufsatzsammlung K1 USA : Schule : Mobbing : Prävention