Rubiños-Jimenez, Santiago, Chavez-Gallegos, Eduardo, Huarcaya-Gonzales, Edwin, Cuzcano-Rivas, Abilio, Damas-Niño, Marcelo, Mendoza-Apaza, Fernando, & Santos-Mejia, Cesar. (2023). IoT applied to counting the number of people in a classroom and measuring body temperature with a built-in alarm system for the prevention of Covid-19. LACCEI, 1(8). https://doi.org/10.18687/LACCEI2023.1.1.1233