WEISS, Jacques; ZUTAVERN, Michael. Pisa – ergänzende Perspektiven. Swiss Journal of Educational Research, Bern, v. 25, n. 1, p. 05–10, 2003. DOI: 10.24452/sjer.25.1.4644. Disponível em: https://sjer.ch/article/view/4644. Acesso em: 12 mar. 2025.