Ureerat Wattanachon และ Chidchanok Lursinsap. (2006) An unsupervised learning algorithm for robust clustering and estimating the feasible number of clusters. Chulalongkorn University:ม.ป.ท.Ureerat Wattanachon และ Chidchanok Lursinsap. 2006. An unsupervised learning algorithm for robust clustering and estimating the feasible number of clusters. ม.ป.ท.:Chulalongkorn University;Ureerat Wattanachon และ Chidchanok Lursinsap. An unsupervised learning algorithm for robust clustering and estimating the feasible number of clusters. ม.ป.ท.:Chulalongkorn University, 2006. Print.