Martínez Guashima, O. G., Paucar Samaniego, J. L. and Guaranga Broncano, E. X. (2021) “Design and implementation of an early warning device using a wireless and mobile communications system to prevent traffic accidents”, ConcienciaDigital, 4(3.1), pp. 333-354. doi: 10.33262/concienciadigital.v4i3.1.1836.