Kadhim, Noor Abdul kareem, and Huda Zaki Naji. “MANCOVA Model For Heteroscedasticity And Unbalance Cell Size: Framework”. Journal of Al-Qadisiyah for Computer Science and Mathematics 14, no. 1 (March 23, 2022): Stat Page 1 – 6. Accessed January 4, 2025. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/885.