@unpublished{repository3039,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR HAMKA},
           title = {Berita Acara Sakubun Hapyou Semester 4 A,B},
             url = {http://repository.uhamka.ac.id/id/eprint/3039/},
          author = {Utari, Retno}
}