@unpublished{repository42539,
           title = {Mengajar 5A Pendidikan Biologi Uhamka},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah. Prof. DR. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/42539/},
          author = {Mayarni, Mayarni}
}