Omer, Amira, Shahen M. Faraj, and Soran Husen Mohamad. “An Application of Two Classification Methods: Hierarchical Clustering and Factor Analysis to the Plays PUBG”. IRAQI JOURNAL OF STATISTICAL SCIENCES 20, no. 1 (June 1, 2023): 25–42. Accessed September 6, 2025. https://tanmiyat.uomosul.edu.iq/index.php/stats/article/view/29217.