@unpublished{repository2247,
           title = {BAP, Absemsi, dan Daftar Nilai Mata Kuliah Workshop Matematika 4C},
            note = {Unpublished},
       publisher = {Wahidin},
             url = {http://repository.uhamka.ac.id/id/eprint/2247/},
          author = {Wahidin, Wahidin}
}