@Article{609351,
     author = "Małgorzata Szupica-Pyrzanowska, Katarzyna Malesa",
     title = "What Foreign Language Teachers Should Know about Language Attrition",
     year =  2018,
     volume =  25,
     number =  2,
     journal =  Applied Linguistics Papers,
     pages =  s. 107-121,
    }