@unpublished{repository43135,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof DR Hamka},
           title = {Pernagkat Pembelajaran Pembelajaran Mat SD 31},
             url = {http://repository.uhamka.ac.id/id/eprint/43135/},
          author = {Wahidin, Wahidin}
}