“Estimation of the Folic Acid Using Zero Order, Area Under Curve and First Derivative Spectrophotometric Methods in Pure and Marketed Tablet Formulations”, ANJS, vol. 20, no. 3, pp. 34–41, Sep. 2017, Accessed: Nov. 22, 2024. [Online]. Available: https://anjs.edu.iq/index.php/anjs/article/view/101