A new exponentially weighted moving average chart with an adaptive control scheme for high yield processes - An application in injection molding process. - Sani Salihu Abubakar; Michael B. C. Khoo; Sajal Saha; Ming Ha Lee (Qual. Reliab. Eng. Int., 2021)

Run sum ratio chart when measurement errors are present. - Sani Salihu Abubakar; Michael B. C. Khoo; Sajal Saha; Adamu A. Umar; Wai Chung Yeong (Qual. Reliab. Eng. Int., 2022)

A new EWMA median chart with measurement errors in short production runs-An application in yogurt cup filling process. - Sajal Saha; Michael B. C. Khoo; Sani Salihu Abubakar; Utpal Kanti Das; Ming Ha Lee (Qual. Reliab. Eng. Int., 2022)

On the performances of the X¯ and EWMA charts with auxiliary information for monitoring the process mean in short production runs. - Sajal Saha; Wei Chun Ng; Michael B. C. Khoo; Sani Salihu Abubakar (Commun. Stat. Simul. Comput., 2024)