Khan Academy Platform and Mathematics education: what the research says. Research, Society and Development, [S. l.], v. 9, n. 10, p. e4899108801, 2020. DOI: 10.33448/rsd-v9i10.8801. Disponível em: https://rsdjournal.org/rsd/article/view/8801. Acesso em: 5 dec. 2025.