S. Jha, C. (2010) “Potentiometric Studies on Chelation of Cu(II), Ni(II), Co(II) and Fe(II) with o-Vanillinsemicarbazone ”, Asian Journal of Chemistry, 8(1), pp. 38–41. Available at: https://asianpubs.org/index.php/ajchem/article/view/24015 (Accessed: 26 August 2024).