@unpublished{repository44668,
       publisher = {UNIVERSITAS MUHAMMADIYAH PROF.DR.HAMKA},
           title = {BAHAN AJAR PERTEKOM (VILYA DWI AGUSTINI) PPT},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/44668/},
          author = {agustini, vilya dwi}
}