Kuber Khilare, S. ., and D. . Tukaram Shirke. “A Nonparametric Group Runs Control Chart for Location Using Sign Statistic”. Thailand Statistician, vol. 21, no. 1, Dec. 2022, pp. 165-79, https://ph02.tci-thaijo.org/index.php/thaistat/article/view/248031.