Ma, H. K. (2003). The relation of moral orientation and moral judgment to prosocial and antisocial behavior of Chinese adolescents. International Journal of Psychology, 38, 101-111.
Shek, D.T.L. & Ma, H. K. (Series Eds.) (2006-2008). P.A.T.H.S. to Adulthood: A Jockey Club Youth Enhancement Scheme. Secondary One to Three Curriculum –Activity Handbook (a total of 7 volumes and 1,983 pages for the Chinese version, and 7 volumes and 2,157 pages for the English version). Hong Kong: Social Welfare Practice and Research Centre, The Chinese University of Hong Kong (available in CD-ROM and Hard-copy versions). (This curriculum package is used by more than 200 secondary schools in Hong Kong).
Ma, H. K., & Shek, D. T. L. (2010). Subjective outcome evaluation of a positive youth development program in Hong Kong: Profiles and correlates. The Scientific World Journal – TSW Child Health and Human Development, 10, 192-200.
Ma, H. K., Li, S. S.C., & Pow, J. W. C. (in press). The relation of Internet use to prosocial and antisocial behaviour in Chinese adolescents. Cyberpsychology, Behavior, and Social Networking.