Synthesis And Characterization Of Mixed Ligand Complexes Of Co(Ii) And Fe(Iii) Ions With Maleic Acid And Heterocyclic Amines. J. Bangla. Chem. Soc. [Internet]. 2013 May 23 [cited 2026 Jul. 1];25(2):139-45. Available from: https://banglajol.info/index.php/JBCS/article/view/15066