Solano-Escorcia, A., Valle-Tapia, D., Anguila-Anguila, J., Salcedo, D., Henriquez Miranda, C., Ternera Muñoz, Y.T., Ramos-Barrera, L. and Martínez-Herrera, N. 2021. Hardware and Free Software Based Access Control System for the Detection of Potential COVID-19 Infected. CESTA. 2, 2 (Dec. 2021), 9–20. DOI:https://doi.org/10.17981/cesta.02.02.2021.02.