@unpublished{repository55757,
            note = {Unpublished},
           title = {2A Sejarah Psikoper},
       publisher = {Universitas Muhammadiyah Prof.DR.HAMKA},
          author = {Hajar{,} Siti, Siti},
             url = {http://repository.uhamka.ac.id/id/eprint/55757/}
}