Alisaari, J.; Møller Daugaard, L.; Dewilde, J.; Harju-Autti, R.; Heikkola, L. M.; Iversen, J. Y.; Kekki, N.; Pesonen, S.; Reath Warren, A.; Straszer, B.; Yli-Jokipii, M. Mother Tongue Education in Four Nordic Countries - Problem, Right or Resource?. Apples 2023, 17, 52-72.