Shek, D. T. L., Sun, R. C. F., Chui, Y. H., Lit, S. W., Yuen, W. W., Chung, Y. Y. H., & Ngai, S. W. (2012). Development and Evaluation of a Positive Youth Development Course for University Students in Hong Kong. The Scientific World Journal.

Shek, Daniel T. L., Rachel C. F. Sun, Y. H. Chui, S. W. Lit, Walter W. Yuen, Yida Y. H. Chung, and S. W. Ngai. Development and Evaluation of a Positive Youth Development Course for University Students in Hong Kong. The Scientific World Journal, 2012.

Shek, Daniel T. L., et al. Development and Evaluation of a Positive Youth Development Course for University Students in Hong Kong. The Scientific World Journal, 2012.