Hasan Shallal, Muhammed Abdel. “SYNTHESIS AND STUDYING OF APPLICATIONS IN (COORDINATION ,CHROMATOGRAPHY ,CHEMICAL MEASUREMENTS) OF HEXA-DENTATE LIGANDS IN THE COMPLEXES”. Innovare Journal of Sciences 4, no. 5 (October 1, 2016). Accessed February 25, 2021. https://innovareacademics.in/journals/index.php/ijs/article/view/15097.