A. Osowole A. Studies on some VO(IV), Ni(II) and Cu(II) complexes of non-symmetrical tetradentate Schiff-bases. Bull. Chem. Soc. Eth. [Internet]. 2008 Jul. 17 [cited 2026 Oct. 3];22(2). Available from: https://www.ajol.info/index.php/bcse/article/view/61288