Viattchenin, Dmitri Arkady, Reyhane Tati, and Aliaksandr Damaratski. 2013. “Designing Gaussian Membership Functions for Fuzzy Classifier Generated by Heuristic Possibilistic Clustering”. Journal of Information and Organizational Sciences 37 (2). //jios.foi.hr/index.php/jios/article/view/849.