“Synthesis OF Ligands O.F BIS-Oxadiazole Triazole Witb Open OR Close Sides and Their Complxes With (Ctlf, Pdll) -”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 21, no. 3, Sept. 2017, pp. 93-116, https://jih.uobaghdad.edu.iq/index.php/j/article/view/1411.