Ferreira, B. M. B., & Antunes, W. P. C. (2022). STUDY AND DEVELOPMENT OF GATEWAYS AND BEACONS BLE FOR TRACKING PEOPLE IN CLOSED ENVIRONMENTS . Revista Ibero-Americana de Humanidades, Ciências E Educação, 8(4), 1329-1342. https://doi.org/10.51891/rease.v8i4.5135