PAWANOJI, A.A., and B.H. MEHTA. 2010. “Synthesis, Characterization and X-Ray Diffraction Studies of Co(II), Ni(II) and Pd(II) Complexes of Schiff Base Derived from 3-Hydroxy Benzaldehyde and 3-Hydroxy-2-Naphthoic Hydrazide”. Asian Journal of Chemistry 21 (9):6869-76. https://asianpubs.org/index.php/ajchem/article/view/12159.