Al-Abachi, M.Q., M.M. Al-Sharook, and Shayma I. Al-Najafi. “Spectrophotometric Determination of Phenols in Aqueous Solution via Oxidative-Coupling Reaction With 4-Amino-N,N-Diethylaniline and Potassium Dichromate”. Journal of Education and Science (JES) 17, no. 4 (September 1, 2005): 11–17. Accessed August 4, 2025. https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17096.