Haanchumpol, T. and Sermpongpan, C. (2023) “Remodeling Multivariate Control Chart by Using Spatial Signed Rank for Detecting Mean Shift in Normal and Non-Normal Processes”, Thailand Statistician, 21(3), pp. 691–724. available at: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/250074 (accessed: 9 October 2026).