DAS, Kaushik. Digital Technologies on Mathematics Education at the Covid-19 Lockdown Situation in India. Indonesian Journal of Innovation and Applied Sciences (IJIAS), [S. l.], v. 1, n. 2, p. 95–104, 2021. DOI: 10.47540/ijias.v1i2.197. Disponível em: https://www.ojs.literacyinstitute.org/index.php/ijias/article/view/197. Acesso em: 2 may. 2026.