Kalluru, S.; Dammu, L.; Nara, Sathish; Nimmagadda, V. V. SYNTHESIS AND CHARACTERIZATION OF SCHIFF BASE, 3-HYDROXY-4-(3-HYDROXY BENZYLIDENE AMINO) BENZOIC ACID AND THEIR Ni(II) AND Zn(II) METAL COMPLEXES. JASR 2023, 14, 35-39.