Díaz-Parra, O., Xicotencatl-Pérez , J.M., Ramos-Fernández , J.C., Porfirio Espejel-Flores, Toledo-Navarro, Y., Ruiz-Vanoye, J.A., Eric Simancas-Acevedo and Jaime Aguilar-Ortiz 2023. Smart White Cane for Visually Impaired People for Hearing Recreation in Tourist Environment. International Journal of Combinatorial Optimization Problems and Informatics. 14, 2 (Jun. 2023), 3–17. DOI:https://doi.org/10.61467/2007.1558.2023.v14i2.348.