Rohman, Moh Zainol (LPPM STIKES Muhammadiyah Kudus, 2016-02)
Background: Increasing cases of bu llying in the school during the year 2013 -2014 by 26% (KPAI). 77 71 children in London bullied between the ages of 7-11 years, most victims of bullying are in the grade ...