@unpublished{repository9621,
           title = {Presensi, BAP, NIlai MK Akuntansi Biaya 4C},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka.},
             url = {http://repository.uhamka.ac.id/id/eprint/9621/},
          author = {Sonjaya, Ahmad}
}