ٍSaeed Alghabsha Thabit, and Amal Mohammad Saeed. “Spectrophotometric Determination of L-Arginine and Lysine Using a Red Lysarine Reagent S In Aqueous Solution”. Journal of Education and Science 26, no. 1 (March 1, 2013): 92–102. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/edusj/article/view/41373.