Aliyu, H. and Ojo, A. (2011) “Complexes of Cu(II) and Ni(II) Sulphate with Acetone and Acetaldehyde Hydrazones Derived from Valeric Acid and Isovaleric Acid”, Asian Journal of Chemistry, 24(3), pp. 961–963. Available at: https://asianpubs.org/index.php/ajchem/article/view/8689 (Accessed: 24 November 2024).