馬俊健2018-11-102018-11-1020082008http://hdl.handle.net/20.500.11861/5440香港樹仁大學. 新聞與傳播學系.Thesis (B.A.) -- Hong Kong Shue Yan University, 2008.Includes bibliographical references.[4] leaveschiSocial workers China Hong Kong.Social problems China Hong Kong.Teenagers China Hong Kong.Thesis