“Preparation and Characterization of a Number of Complexes of Mn (II), Co (II), Ni (II), Cu (II), Hg (II) Ions With a Mixture of Saccharin Ligands, Barbituric Acid and Thiobarbituric”. Journal of the College of Basic Education, vol. 22, no. 96, Dec. 2022, pp. 147-64, https://doi.org/10.35950/cbej.v22i96.8928.