國立臺灣師範大學教育心理與輔導學系You Jin MPFu KLeung F2014-12-022014-12-022013-03-100091-0627/1573-2835http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/40989The best friend and friendship group influence on adolescent nonsuicidal self-injury.