El-Badry Mohamed, M., M. Hamed, M., G. Zaki, N., M. Abdou, M., G. Mohamed, G., & M. Abdallah, A. (2017). Spectrophotometric Determination of Melatonin Drug in its Pure and Dosage Forms Using Potassium Ferricyanide-Fe(III) System. Asian Journal of Organic & Medicinal Chemistry, 2(1), 37–41. https://doi.org/10.14233/ajomc.2017.AJOMC-P64