BECKER, Rolf. Does the small class size really matter? An empirical replication for Switzerland on the relationship between class size and school performance in lower secondary school using ÜGK/COFO/VeCoF data. Swiss Journal of Educational Research, Bern, v. 47, n. 3, p. 250–272, 2025. DOI: 10.24452/sjer.47.3.3. Disponível em: https://sjer.ch/article/view/11906. Acesso em: 21 dec. 2025.