朱銘欣2013-02-272013-02-272012http://hdl.handle.net/20.500.11861/934Cover title."21-5-2012."Thesis (B.A.) -- Hong Kong Shue Yan University, 2012.Includes bibliographical references (leaves 40-42).124 leaveschiYouth Drug use China Hong Kong Prevention.Drug abuse China Hong Kong Prevention.探討香港政府於青少年禁毒政策的措施和成效Tan tao Xianggang zheng fu yu qing shao nian jin du zheng ce de cuo shi he cheng xiao.Thesis