SUPRAPTO, S. .-.; NI’MAH, Y. L.; PUTRAMA, F. A. Direct Cu, Fe, and Ni Ions Multicomponent Analysis Using UV-Vis Spectrophotometric Method. Indonesian Journal of Chemical Analysis (IJCA), [S. l.], v. 6, n. 2, p. 106–115, 2023. DOI: 10.20885/ijca.vol6.iss2.art2. Disponível em: https://jurnal.uii.ac.id/IJCA/article/view/28000. Acesso em: 18 may. 2024.