S. SALIH, E.; الهام; M. AL- SHAROOK, M.; مروان; M. AL-TALIB, S.; صلاح. Spectrophotometric Determination of Some Phenolic Compounds Using N,N- diethyl –p-phenylenediamine (DE – PPD) and Benzoyl peroxide. Journal of Education and Science (JES), [S. l.], v. 26, n. 3, p. 8–17, 2013. DOI: 10.33899/edusj.2013.89913. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17430. Acesso em: 4 aug. 2025.