“New Approach for the On-Line Spectrophotometric Determination of Folic Acid in Pure and Pharmaceutical Preparation via Oxidation by Cerium(IV) Sulphate Using Ayah 3Sx3-3D-Solar Cell CFI Spectrophotometer Analyzer”, Iraqi Journal of Science, vol. 55, no. 3B, pp. 1153–1163, Nov. 2023, Accessed: May 20, 2024. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11541