The structure of collaboration in the Journal of Finance. - Choong Kwai Fatt; Ephrance Abu Ujum; Kuru Ratnavelu (Scientometrics, 2010)

Impact analysis of domestic and international research collaborations: a Malaysian case study. - Hui Xuan Tan; Ephrance Abu Ujum; Choong Kwai Fatt; Kuru Ratnavelu (Scientometrics, 2015)