@unpublished{repository27975,
           title = {SK, LAMPIRAN, KEHDAIRAN, BAP, NILAI KONSEP BIO 6 B PGSD},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof.Dr.Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/27975/},
          author = {Gufron Amirullah, Gufron}
}