Mahdi Muosa, Safaa, Nada Ahmed Mohammed Taha, and Hayder Abbas Dahham. “FindingCorrection Terms Accompaniment of Rule MMS of Triple Integrals Partial Derivative Singular or Singular Numerically”. Journal of Al-Qadisiyah for computer science and mathematics 8, no. 2 (August 7, 2017): 1-15. Accessed August 30, 2021. http://www.qu.edu.iq/journalcm/index.php/journalcm/article/view/35.