@unpublished{repository27474,
       publisher = {Universitas Muhammadiyah Prof.DR.Hamka},
            note = {Unpublished},
           title = {Surat Perjanjian Pengabdian Masyarakat Software Simulasi},
             url = {http://repository.uhamka.ac.id/id/eprint/27474/},
          author = {Fikri, Agus}
}