周文勇Chou, Wen-yung2020-09-032020-09-032007-10-??http://rportal.lib.ntnu.edu.tw:80/handle/20.500.12235/109082幫派社會鍵自我控制GangsSocial bondsSelf-control幫派入侵校園之研究A Study of Gang Intrusions onto Campuses