@unpublished{repository27097,
            note = {Unpublished},
       publisher = {UNIVERSITAS MUHAMMADIYAH PROF. DR. HAMKA},
           title = {PGSD 4J LENGKAP},
             url = {http://repository.uhamka.ac.id/id/eprint/27097/},
          author = {Nur Busyra, Busyra}
}