2. Research methods in criminal justice and criminology Rennison, Callie Marie, Thousand Oaks, California : SAGE Publications, Inc., [2023] SOC337
3. Research methods in criminal justice and criminology Hagan, Frank E., Hoboken, New Jersey : Pearson, [2018] SOC337
4. Introduction to crime, law and justice in Hong Kong Hong Kong : Hong Kong University Press, 2009. SOC337 JOUR204 SOC231 SOC233 LAW110