A combined synthetic and generalized variance control chart for bivariate case. - Ming Ha Lee; Yiing Chee Tan; Winnie Wei Wan Lam (IEEM, 2015)

An improved switching rule in variable sampling interval Hotelling's T2 control chart. - Yiing Chee Tan; Ming Ha Lee; Winnie Wei Wan Lam (IEEM, 2015)