PREPARATION AND STUDY OF AMOXICILLIN SELECTIVE ELECTRODES AND THEIR APPLICATION WITH DERIVATIVE SPECTROPHOTOMETER IN PHARMACEUTICAL DRUGS. Al-Nahrain Journal of Science, [S. l.], v. 12, n. 1, p. 29–37, 2009. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/1259. Acesso em: 15 apr. 2025.