@unpublished{repository54715,
           title = {BUKTI KINERJA BIOTEKNOLOGI 4A},
            note = {Unpublished},
       publisher = {UNIVERSITAS MUHAMMADIYAH PROF. DR. HAMKA},
          author = {Hayati, Hayati},
             url = {http://repository.uhamka.ac.id/id/eprint/54715/}
}