SYNTHESIS AND CHARACTERIZATION OF SALICYLALDEHYDE AND 2,4-DINITROPHENYL HYDRAZINE SCHIFF BASE WITH ITS COBALT (II) AND MANGANESE (II) COMPLEXES. FJS [Internet]. 2024 Aug. 30 [cited 2025 Sep. 4];8(4):333-7. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/2700