AL-SABHA, T.; A. HAMODY, I. Spectrophotometric determination of trimethoprim using 2,4-dinitro-1-fluorobenzene reagent. Journal of Education and Science (JES), [S. l.], v. 24, n. 2, p. 1–11, 1999. DOI: 10.33899/edusj.1999.58728. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/18460. Acesso em: 4 aug. 2025.