@Article{414632,
     author = "Anna Frąckowiak",
     title = "How to assess the effectiveness of the informal learning? Controversies about the procedures PLA (Prior Learning Assessment) in Polish higher education",
     year =  2014,
     volume =  6,
     number =  ,
     journal =  Rocznik Towarzystwa Naukowego Płockiego,
     pages =  s. 248-263,
    }