“Synthesis And Characterization of N,N-Bis(2,4Dihydroxy( -1-Methylbenzylidene)Pyridine-2,6-Dicarbohydrazide And Studying Its Analytical Properties ”. 2022. Damascus University Journal for the Basic Sciences 38 (4). https://journal.damascusuniversity.edu.sy/index.php/basj/article/view/7435.