@unpublished{repository11989,
           title = {Peer Reviu\_HAMBATAN EPISTIMOLOGIS SISWA DALAM MENYELESAIKAN MASALAH SISTEM PERSAMAAN LINEAR DUA VARIABEL},
       publisher = {UHAMKA},
            note = {Unpublished},
          author = {Samsul Maarif, SMF},
             url = {http://repository.uhamka.ac.id/id/eprint/11989/}
}