“Agglomerative Hierarchical Clustering: An Introduction to Essentials (1) Proximity Coefficients and Creation of a Vector-Distance Matrix and (2) Construction of the Hierarchical Tree and a Selection of Methods”. Global Journal of Human-Social Science 16, no. G3 (March 15, 2016): 23–50. Accessed April 2, 2026. https://socialscienceresearch.org/index.php/GJHSS/article/view/1709.