IDS: An intelligent document system. - C. K. S. Chong Hok Yuen; Bipin C. Desai; Pankaj Goyal; Fereidoon Sadri (RIAO, 1985)

On analyzing maintenance process data at the global and the detailed levels: a case study. - C. K. S. Chong Hok Yuen (ICSM, 1988)

Differences in types of software maintenance work: an empirical study. - C. K. S. Chong Hok Yuen (ICSM, 1989)