Critical success factors in implementing MRP and government assistance: A Singapore context. - James S. K. Ang; Chee-Chuong Sum; Wah-Fook Chung (Inf. Manag., 1995)

Modeling the Effects of a Service Guarantee on Perceived Service Quality Using Alternating Conditional Expectations (ACE). - Chee-Chuong Sum; Yang-Sang Lee; Julie M. Hays; Arthur V. Hill (Decis. Sci., 2002)

A multiple-case design methodology for studying MRP success and CSFs. - James S. K. Ang; Chee-Chuong Sum; Lei-Noy Yeo (Inf. Manag., 2002)