SIAGIAN, Ade Onny; HAUDI; ARIYANTO, Aris; WIJOYO, Hadion. Online Learning in the Middle of the Covid-19 Pandemic . Nusantara Science and Technology Proceedings, Malang, Indonesia, v. 2022, n. 16, p. 75–81, 2022. DOI: 10.11594/nstp.2022.1612. Disponível em: https://nstproceeding.com/index.php/nuscientech/article/view/568. Acesso em: 31 jul. 2025.