“Comparison of the Two Methods of Cluster Analysis (Non-Hierarchical and Hierarchical) in the Classification of Laboratory Quality (GLP) at the University of Babylon”, JUBPAS, vol. 29, no. 3, pp. 34–43, Dec. 2021, Accessed: May 03, 2025. [Online]. Available: https://www.journalofbabylon.com/index.php/JUBPAS/article/view/3881