Influence on indoor comfort due to the application of Covid-19 natural ventilation protocols for schools at subtropical climate during winter seasonSergio Gómez Melgar, Antonio Sánchez Cordero, Marta Videras Rodríguez and José M Andújar MárquezE3S Web Conf., 293 (2021) 01031DOI: https://doi.org/10.1051/e3sconf/202129301031