Ibrahim Kani, Aminu, et al. “Antioxidant Evaluation of Co(II) and Zn(II) Complexes With Schiff Base Derived from 2-Hydroxy-1-Naphthaldehyde and P-Methoxyaniline”. International Journal of Biological, Physical and Chemical Studies , vol. 2, no. 2, Nov. 2020, pp. 01-10, https://al-kindipublishers.org/index.php/ijbpcs/article/view/609.