“Synthesis and Characterization of New Bidentate Schiff Base Ligand Type (NO) Donor Atoms Derived from Isatin and 3-Amino Benzoic Acid and Its Complexes with Co(II), Cu(II), Cd(II) and Hg(II) Ions” (2017) Ibn AL-Haitham Journal For Pure and Applied Sciences, 30(3), pp. 158–169. doi:10.30526/30.3.1610.