SOMMER-SUTTER, Bigna. Development of “small schools” in rural areas. Swiss Journal of Educational Research, Bern, v. 34, n. 2, p. 303–322, 2012. DOI: 10.24452/sjer.34.2.4885. Disponível em: https://sjer.ch/article/view/4885. Acesso em: 14 mar. 2025.