Synthesis, Characterization, and Antibacterial Properties of Mixed Ligand Complexes of (L-Leucine and 8-Hydroxyquinoline) With Fe (III ),Cr (III) La(III) and Ru(III ) Ions. cbej 2023, 18 (74), 143-155. https://doi.org/10.35950/cbej.v18i74.9713.