Determination of Sulfamethoxazole in Pure and Pharmaceutical Samples by Using Direct Method for Calibration Curve of Normal Spectrum of UV-Spectrophotometry. Al-Nahrain Journal of Science, [S. l.], v. 23, n. 4, p. 1–4, 2020. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/2344. Acesso em: 15 apr. 2025.