Morán Cabezas, A. ., A. . De La Torre Macias, J. . Morán Cabeza, and J. . Tubay Vergara. “Analysis and Implementation of a Satellite Tracking System Applied to Pets Using Free Software With GPS and GSM Technology”. Espirales Revista Multidisciplinaria De investigación, vol. 7, no. 47, Oct. 2023, pp. 48-56, doi:10.31876/er.v47i7.851.