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. Zanco Journal of Medical Sciences (Zanco J Med Sci), [S. l.], v. 29, n. 2, p. 214–225, 2025. DOI: 10.15218/zjms.2025.022. Disponível em: https://zjms.hmu.edu.krd/index.php/zjms/article/view/1063. Acesso em: 5 dec. 2025.