@unpublished{repository34211,
           title = {Problematika Matematika Sekolah 7B7C Gasal 2022-2023},
            note = {Unpublished},
       publisher = {UHAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/34211/},
          author = {Makmur, Isnaini Handayani}
}