Silveira, Sidnei Renato, Machado, Adriana , Bertolini, Cristiano , Figueiró, Maurício , Bigolin, Nara , Gobbi, Rodrigo , AND da Silva, Sandro. " Teacher Qualification: training to use Google Classroom amid the COVID-19 pandemic" Proceedings of the Regional School on Computing of Rio Grande do Sul (ERCOMP-RS) [Online], (4 November 2020)