“Synthesis and Characterization of Fe (II), Co (II), Ni (II), Cu (II), Cd (II) Mono-Complexes with Mannich Base 4- hydroxy- 3-(4’-morpholinyl methyl) quinoline” (2023) Journal of the College of Basic Education, 18(74), pp. 83–94. doi:10.35950/cbej.v18i74.9687.