Ismail M. Jaber, and Huda I. Hammed. “Radar Absorbing Material (ram) and Its Effects on the Radar Detection Range ”. Journal of Madenat Alelem University College, Vol. 5, no. 2, Dec. 2013, pp. 6-15, https://journal.mauc.edu.iq/index.php/JMAUC/article/view/197.