Hotelling's T2 control charts with fixed and variable sample sizes for monitoring short production runs. - Nger Ling Chong; Michael B. C. Khoo; Abdul Haq; Philippe Castagliola (Qual. Reliab. Eng. Int., 2019)

An improved variable sample size and sampling interval S control chart. - Michael B. C. Khoo; May Yen See; Nger Ling Chong; Wei Lin Teoh (Qual. Reliab. Eng. Int., 2019)