FREIBERG, P. Advancing SDG 4: Digital Textbooks for Russian Pupils (Grades 6-11): Bridging the Digital Divide - From Digital Inequality to Digital Maturity. NIDA Case Research Journal, [S. l.], v. 17, n. 1, p. 62–104, 2025. DOI: 10.14456/ncrj.2025.3. Disponível em: https://so04.tci-thaijo.org/index.php/NCRJ/article/view/273314. Acesso em: 1 oct. 2026.