[1]
Crotta, F., Salvisberg, M. and Zanolla, G. 2020. School grades and base competencies in mathematics of the 11th HarmoS year students in Ticino. Swiss Journal of Educational Research. 42, 2 (Oct. 2020), 323–342. DOI:https://doi.org/10.24452/sjer.42.2.3.