@unpublished{repository12631,
           title = {Haki "Design Pembelajaran Aljabar Berbasis Perkembangan Sejarah
Matematika Islam Untuk Siswa SMP IT / MTs"},
       publisher = {UHAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/12631/},
          author = {Samsul Maarif, SMF}
}