Derivative Spectrophotometric Methods for Simultaneous Determination of Quercetin and Gentisic acid in Capparis spinosa L. Baghdad Science Journal, Iraq, Baghdad, v. 21, n. 5, p. 1536, 2024. DOI: 10.21123/bsj.2023.8632. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/8632.. Acesso em: 21 may. 2024.