El-Husseini, Zain alabdin Aboud Kazem, and Ahmad N. Flaih. “Estimating Mediation and Direct Effects of the Multiple Model With Application Kidney”. Journal of Al-Qadisiyah for Computer Science and Mathematics 11, no. 4 (September 20, 2019): Stat Page 1–20. Accessed November 21, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/617.