Al-Nuami, K., خلیل, Saeed, M., محمود, Azooz, A. and عادل 2005. PKA preperation of some diimines acids derived from benzil. Journal of Education and Science (JES). 17, 3 (Jun. 2005), 16–28. DOI:https://doi.org/10.33899/edusj.2005.81502.