Abdul Aziz Dabdoub, Marwan, and Nour Nozet Sayala. “Application of Factor Analysis and Cluster Analysis to the Standard Consumer Prices in Iraq: A Comparative Study”. Journal of Education and Science (JES) 25, no. 3 (September 1, 2012): 163–179. Accessed August 6, 2025. https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23978.