Sierpinski, S.F.D., Freitas, V. da S., Jorge, A., Domingues, R., França, L.M., Viana, A.G., Wiecheteck, G.K. and Scheffer, E.W.O. 2021. Development and Validation of a Spectrophotometric Method in the UV-Vis Region to Evaluate the Interactions of Estrogens with Humic Substances in an Aqueous Environment. Orbital: The Electronic Journal of Chemistry. 13, 2 (Jun. 2021), 131-139.