Awramiuk, E., Vlčková-Mejvaldová, J., & Liptakova, Ľudmila. (2021). Sound form signalization in L1 Polish, Czech and Slovak textbooks: In search of best practices. L1-Educational Studies in Language and Literature, 21(1), 1–27. https://doi.org/10.17239/L1ESLL-2021.21.01.01