Dr. Dipu Kumar (1) “STRUCTURAL STUDIES OF SOME COMPLEXES OF DIVALENT TRANSITION METALS WITH A TETRA-DENTATE DERIVATIVE OF HYDROXAMIC ACID”, ACCENT JOURNAL OF ECONOMICS ECOLOGY & ENGINEERING ISSN: 2456-1037 SIF:8.20, Peer Reviewed and Refereed Journal, UGC APPROVED NO. 48767 (Ref.2018), 10(8), pp. 16-21. Available at: https://ajeee.co.in/index.php/ajeee/article/view/5622 (Accessed: 12June2026).