2. in 3. marca 2015 je potekal simpozij “Economics, Linguistic Justice and Language Policy”, ki ga je organizirala Univerza Humboldt v Berlinu, na katerem so s prispevkom The Impact of Economy on Bilingualim: The case of the ethnically mixed area of Prekmurje (Slovenia) sodelovali dr. Sonja Novak Lukanovič, dr. Mojca Medvešek in dr. David Limon. |