CHARACTERIZATION OF BIS-SALICYLALDEHYDE O-PHENYLENEDIAMINE SCHIFF BASE AND ITS DY(III), GD(III), ND(III) AND SM(III) LANTHANOIDS COMPLEXES. FJS [Internet]. 2023 Feb. 28 [cited 2025 Sep. 3];7(1):19-23. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1226