@unpublished{repository32154,
            note = {Unpublished},
           title = {ST, Cover, Artikel A Study of Cooperative Learning Stad in Reducing EFL Students' Speaking Anxiety.},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/32154/},
          author = {Burhayani, Eni}
}