“Determination of Pyridoxine HCl by Oxidative Coupling Using N,N-Di Methyl Paraphenylene Diamine Dihydrochloride (DMPPH) Presence of Potassium hexacynoferrate(III) in Basic Medium”. 2023. Tikrit Journal of Pure Science 21 (4): 83-90. https://doi.org/10.25130/tjps.v21i4.1057.