List of Articles Number of cluster Open Access Article Abstract Page Full-Text 1 - Selecting Optimal k in the k-means Clustering Algorithm Mojtaba Jahanian Abbas Karimi Faraneh Zarafshan 10.22094/jcr.2021.688694 Open Access Article Abstract Page Full-Text 2 - A New Approach to Define the Number of Clusters for Partitional Clustering Algorithms Huliane Silva Benjamın Ren Callejas Bedregal Anne Canuto Thiago Batista Ronildo Moura 10.30495/tfss.2023.1990425.1078