José Ruben, C. C., M. Pasuña José Luis, D. F. Andaluz Espinosa, and R. Patricio Reyes Chicango. “Analysis of Mobile Applications That Help Skin Care through Facial Recognition: A Systematic Analysis ”. KnE Engineering, Vol. 5, no. 1, Jan. 2020, pp. 76–88, doi:10.18502/keg.v5i1.5922.