@article{Steciąg:2020,
author
=
"M.Steciąg and A.Karmowska",
title
=
"Lingua Materna, Lingua Receptiva, Lingua Franca, Multilingua Franca? The Linguascape of the Polish-Czech Borderland from the Perspective of Sustainable Multilingualism",
journal
=
"Sustainable Multilingualism",
volume
=
"Vol. 16",
number
=
"Iss. 1",
pages
=
"21--38",
year
=
"2020",
}