@unpublished{repository10056,
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA},
           title = {BAP dan Nilai Psikologi Positif dan Kesehatan Mental kelas 6A},
            note = {Unpublished},
          author = {Amir, YA},
             url = {http://repository.uhamka.ac.id/id/eprint/10056/}
}