SCHUMANN, Stephan; EBERLE, Franz. Fostering multiple educational goals in high schools. First results of the APU learning environment implementation. Swiss Journal of Educational Research, Bern, v. 30, n. 2, p. 349–366, 2008. DOI: 10.24452/sjer.30.2.4795. Disponível em: https://sjer.ch/article/view/4795. Acesso em: 12 mar. 2025.