Sources
Gross, B., Hansen, A., McMonagle, S., Duarte, J., García-Jimenez, E., Szelei, N., & Pinho, A. S. (2021), “Expert Evaluation on Urgent Research on Heritage Language Education: A Comparative Study in Germany, Italy, the Netherlands, Portugal and Spain”, Journal of Home Language Research , 4(1), 1-16, available at https://doi.org/10.16993/jhlr.35, accessed 23 June 2023.
Swedberg, R. (2020), Exploratory research. In: C. Elman, J. Gerring & J. Mahoney (Eds.), The Production of Knowledge. Enhancing Progress in Social Science (pp. 17 – 41). Cambridge University Press.