@unpublished{repository4748,
           title = {Konsep Dasar Matematika SD

Bahan Ajar Pendidikan Guru Sekolah Dasar},
            note = {Unpublished},
       publisher = {PT RajaGrafindo Persada},
             url = {http://repository.uhamka.ac.id/id/eprint/4748/},
          author = {Alyani, Fitri}
}