S. Musa, S. O. Idris, and A. D. Onu, “Synthesis, characterization, x-ray diffraction studies and biological activities of iron(III) and cobalt(II) complexes with alanine”, IJAC, vol. 6, no. 2, pp. 132–134, Jul. 2018, doi: 10.14419/ijac.v6i2.13107.