Single machine scheduling with step-deteriorating processing times. - T. C. E. Cheng; Q. Ding (Eur. J. Oper. Res., 2001)

Preemptive repayment policy for multiple loans. - C. T. Ng 001; Q. Ding; T. C. E. Cheng; Sze Sing Lam (Ann. Oper. Res., 2012)