@Article{450356,
     author = "Ekaterina Sofronieva, Todor Shopov",
     title = "The swing of the pendulum : objectivism or constructivism in language education?",
     year =  2012,
     volume =  ,
     number =  2(2),
     journal =  Journal of Preschool and Elementary School Education,
     pages =  s. 173-189,
    }