Chattopadhyay, Subhagata, Dilip Kumar Pratihar, and Sanjib Chandra De Sarkar. 2012. “A Comparative Study of Fuzzy C-Means Algorithm and Entropy-Based Fuzzy Clustering Algorithms”. COMPUTING AND INFORMATICS 30 (4):701-20. https://www.cai.sk/ojs/index.php/cai/article/view/191.