@unpublished{repository2413,
           title = {PRESENSI, BAP, NILAI - PRAK KIMIA ORGANIK1 KLS A1,E1},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/2413/},
          author = {Fitri Yuniarti, Fitri}
}