TOMMA, Jumbad H.; 						AL-ALIAWI, Kadhim M. Lazim; 						ALI, Imad T..
 Synthesis of New Asymmetrical Pyromellitdiimide and Their Amic Acids Containing Heterocyclic Unit.
<strong>Ibn AL- Haitham Journal For Pure and Applied Science</strong>, [S.l.], v. 27, n. 1, p. 234-246, apr. 2017.
ISSN 2521-3407.
Available at: &lt;<a href="http://jih.uobaghdad.edu.iq/index.php/j/article/view/382" target="_new">http://jih.uobaghdad.edu.iq/index.php/j/article/view/382</a>&gt;. Date accessed: 30 nov. 2019.