Sajal SahaMichael B.C. KhooP.S. NgZ.L. Chong2024-10-282024-10-282019-01https://doi.org/10.1016/j.cie.2018.10.049https://dspace-cris.utar.edu.my/handle/123456789/5055Variable sampling interval run sum median charts with known and estimated process parametersjournal-article