@manual{repository1264,
           title = {4.2.2.3.22 sunarta BPY abon 2019},
            type = {Documentation},
       publisher = {Prodi S2 MM UHAMKA},
          author = {Bambang, Dwi Hartono},
             url = {http://repository.uhamka.ac.id/id/eprint/1264/}
}