Ibrahim, H. A., U. F. Muhammed, A. Aliyu, and M. S. Bunza. “Synthesis, Characterization, and Biological Studies of Ni(II), Cu(II), and Zn(II) Complexes With a Schiff Base Derived from 3-Formylchromone and Benzohydrazide”. Science World Journal, vol. 20, no. 3, Dec. 2025, pp. 1059-64, doi:10.4314/swj.v20i3.20.