“Estimation of the Folic Acid Using Zero Order, Area Under Curve and First Derivative Spectrophotometric Methods in Pure and Marketed Tablet Formulations” (2017) Al-Nahrain Journal of Science, 20(3), pp. 34–41. Available at: https://anjs.edu.iq/index.php/anjs/article/view/101 (Accessed: 22 November 2024).