劉環達2012-09-212012-09-212010http://hdl.handle.net/20.500.11861/650Cover title.Thesis (B.A.) -- Hong Kong Shue Yan University, 2010.Includes bibliographical references (p. 43-46).53 leavesengTrail Scheme on School Drug Testing.High school students China Hong Kong Drug use.A study of the relationship between trust in people, self-esteem, depressed mood, social anxiety and students involved in Trial Scheme on School Drug Testing in Tai Po districtThesis