Al-Samarrai, Safaa A., and Naba’ N. Al-Berag. 2017. “Synthesis A Number of Amino Substitutions on Hexachlorocyclotriphosphazene”. Ibn AL- Haitham Journal For Pure and Applied Sciences 28 (2):364-71. https://jih.uobaghdad.edu.iq/index.php/j/article/view/245.