@unpublished{repository32404,
           title = {File pengajaran Biosel 1A},
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/32404/},
          author = {Rindita, Rindita}
}