A. FILMWALA , ZOEB, et al. “Synthesis of Schiff Base from 2,2&Acute;-Diaminodibenzyl With 2-Hydroxy Naphthaldehyde and Its Complexes With Mn(II),VO(II) and UO2(II)”. Asian Journal of Chemistry, vol. 20, no. 4, Mar. 2010, pp. 3298-00, https://asianpubs.org/index.php/ajchem/article/view/12625.