“Agglomerative Hierarchical Clustering: An Introduction to Essentials. (3) Standardization, Normalization and Dimensionality Reduction of a Data Matrix”. Global Journal of Human-Social Science 16, no. G3 (March 15, 2016): 55–63. Accessed June 4, 2026. https://socialscienceresearch.org/index.php/GJHSS/article/view/1711.