BASHEER, H. M.; JASIM, F.; HAMMED, M. A. A.-. Derivative Zero - Crossing Spectrophotometry Of Binary Mixtures Of Acetyl Acetonates Of Micro – Amounts Of Mn (Ii) And Al (Iii). Baghdad Science Journal, Iraq, Baghdad, v. 10, n. 3, p. 866–882, 2013. DOI: 10.21123/bsj.2013.10.3.866-882. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2596. Acesso em: 21 mar. 2023.