A study of consumer value-added services in mobile commerce: focusing on domestic cellular phone companies in Taiwan, China. - Szu-Yuan Sun; Chao-Fan Su; Teresa L. Ju (ICEC, 2005)

A comparative study of value-added mobile services in Finland and Taiwan. - Szu-Yuan Sun; Teresa L. Ju; Chao-Fan Su (Int. J. Mob. Commun., 2006)