@unpublished{repository55457,
           title = {Bahan Ajar Kuliah IDI PGSD 6C},
       publisher = {Universitas Muhammadiyah Prof Dr HAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/55457/},
          author = {Rosyidi, Muhib}
}