@unpublished{repository8416,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof.DR.HAMKA},
           title = {Peer Review artikel JPSI},
             url = {http://repository.uhamka.ac.id/id/eprint/8416/},
          author = {Zulherman, Zulherman}
}