GIRNAT, Boris; HAGENAUER, Gerda; HASCHER, Tina. The relationship between student motivation and mathematics achievement in the Assessment of Basic Competencies (ÜGK) 2016. Swiss Journal of Educational Research, Bern, v. 42, n. 2, p. 414–438, 2020. DOI: 10.24452/sjer.42.2.7. Disponível em: https://sjer.ch/article/view/5539. Acesso em: 24 apr. 2025.