Remoción del colorante azul marino directo sobre borra de café modificada / Removal of the direct navy-blue dye on modified coffee bean. Tecnol. cienc. agua [Internet]. 2020 Jul. 1 [cited 2025 Dec. 2];11(4):1-26. Available from: https://revistatyca.org.mx/index.php/tyca/article/view/2079