Perez J, Robalino F, Torres P, Lopez X. RGB free colorimeter for sensing and sorting of pigmented spheres. RCIIS [Internet]. 1sep.2023 [citado 8sep.2024];13(3):44-1. Available from: http://revistasdigitales.utelvt.edu.ec/revista/index.php/investigacion_y_saberes/article/view/235