Hossain, M. B., Yousuf, M., Islam, M. R., Salam, M. A., Rahman, M. A., & Akbor, M. A. (2012). Synthesis and Characterization of Mixed Ligand Complexes of Co(II) and Fe(III) Ions with Malic Acid and Heterocyclic Amines. Bangladesh Pharmaceutical Journal, 15(2), 177–181. https://doi.org/10.3329/bpj.v15i2.12589