An Improved Pheromone-Based Kohonen Self- Organising Map in Clustering and Visualising Balanced and Imbalanced Datasets. JICT [Internet]. 2021 Sep. 27 [cited 2025 Nov. 10];20(4):651-76. Available from: https://www.educationmalaysia.co.uk/index.php/jict/article/view/13835