@unpublished{repository3706,
       publisher = {FKIP UHAMKA},
           title = {Aritmatika 6A 27-8-2020},
            note = {Unpublished},
          author = {Purwanto, Sigid Edy},
             url = {http://repository.uhamka.ac.id/id/eprint/3706/}
}