Ch'ng, C.K., S.H. Quah, and H.C. Low. “The Use of Hodges-Lehmann Estimator in Multiple Response Optimization With Replication”. MATEMATIKA 20 (December 1, 2004): 101–110. Accessed November 22, 2024. https://matematika.utm.my/index.php/matematika/article/view/149.