Aiube, Zakaria H., Al-rawi, Muna S., AND Ebrahem, Ahmed K.. " Solvent -Free One -Pot Multicomponent, Synthesis, Characterization and Anti-bacterial activity, of some 2substituted-3-cyano-Pyridine Derivatives" Ibn AL- Haitham Journal For Pure and Applied Science [Online], Volume 28 Number 2 (16 March 2017)