@unpublished{repository42544,
       publisher = {Universitas Muhammadiyah. Prof. DR. Hamka},
           title = {Mengajar 3A pendidikan IPA PGSD UHAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/42544/},
          author = {Mayarni, Mayarni}
}