AL-ALAWY, I.T.; 						LBRAHEIM, K. S..
 B(Ml) and  (I1 II f.
<strong>Ibn AL- Haitham Journal For Pure and Applied Science</strong>, [S.l.], v. 21, n. 1, p. 31-48, sep. 2017.
ISSN 2521-3407.
Available at: &lt;<a href="http://jih.uobaghdad.edu.iq/index.php/j/article/view/1371" target="_new">http://jih.uobaghdad.edu.iq/index.php/j/article/view/1371</a>&gt;. Date accessed: 22 nov. 2019.