FELIX ESTRELLA. Face-to-Face VS. Emergency Remote Teaching During the Covid-19 Lockdown: A Comparative Analysis of Ecuadorian Undergraduate Polytechnic Students’ Performance. Studies in Social Science & Humanities, [S. l.], v. 1, n. 3, p. 72–88, 2022. Disponível em: https://www.paradigmpress.org/SSSH/article/view/262. Acesso em: 30 apr. 2025.