@unpublished{repository2048,
           title = {Kurikulum S2 Pendidikan Matematika UHAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/2048/},
          author = {Purwanto, Sigid Edy and Purnomo, Yoppy Wahyu and Aziz, Tian Abdul}
}