Shahani, Sara, Chalak, Azizeh, Heidari Tabrizi, Hossein. “The Iranian Intermediate EFL Learners` Attitudes towards Using Flipped Teaching via Google Classroom.” Research in English Language Pedagogy, vol. 9, no. 1, 2021, pp. 90-112. 10.30486/relp.2020.1880561.1159