@unpublished{repository32839,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {Sertifikat dan Undangan Pelatihan Classpoint Trio Fun},
             url = {http://repository.uhamka.ac.id/id/eprint/32839/},
          author = {Tsurayya, Ayu}
}