S. Aziz K, A. Qader H. 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. ZJMS [Internet]. 2025 Aug. 20 [cited 2026 Mar. 30];29(2):214-25. Available from: https://zjms.hmu.edu.krd/index.php/zjms/article/view/1063