NEGUSSA , D.; A, S. Solution Equilibrium Study of the Complexation of Co(II) and Zn(II) with Nicotinaldehyde Thiosemicarbazone. Science, Technology and Arts Research Journal, [S. l.], v. 4, n. 3, p. 145–149, 2015. Disponível em: https://journals.wgu.edu.et/index.php/star/article/view/258. Acesso em: 13 jul. 2026.