Al Bermani, M J F, S A Alhamed, S Z Khalaf, H Sh Ali, and A A Selman. 2018. “THREE DIMENSIONAL EXPLICIT MODEL FOR COMETARY TAIL IONSINTERACTIONSWITH SOLAR WIND”. Al-Nahrain Journal of Science 12 (2): 68-75. https://mail.anjs.edu.iq/index.php/anjs/article/view/1239.