@unpublished{repository10270,
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
           title = {Presensi Mahasiswa, BAP, Daftar Nilai Teori Grup},
            note = {Unpublished},
          author = {Soebagyo, Joko},
             url = {http://repository.uhamka.ac.id/id/eprint/10270/}
}