S. Aziz, K. and A. Qader, H. 2025. Ratio spectra derivative and mean centering as green analytical techniques for simultaneous determination of ascorbic acid and folic acid in pharmaceutical formulations, for-ferro tablets. Zanco Journal of Medical Sciences (Zanco J Med Sci). 29, 2 (Aug. 2025), 214–225. DOI:https://doi.org/10.15218/zjms.2025.022.