AL BEEA, Ruba F; ABBAS, Hend A; TAQI, Rawa M. M; ABDULABBAS, Dhifaf A; ABED, Marwah A. Estimation of the Folic Acid Using Zero Order, Area Under Curve and First Derivative Spectrophotometric Methods in Pure and Marketed Tablet Formulations. Al-Nahrain Journal of Science, [S. l.], v. 20, n. 3, p. 34–41, 2017. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/101. Acesso em: 22 may. 2026.