Cardona, Mónica, M. Angels Colomer, Alba Zaragoza, and Mario J. Pérez Jiménez. “Hierarchical Clustering With Membrane Computing”. Computing and Informatics 27, no. 3+ (January 27, 2012): 497–513. Accessed November 8, 2024. http://147.213.75.17/ojs/index.php/cai/article/view/246.