@unpublished{repository10058,
           title = {BAP dan Nilai Psikologi Positif dan Kesehatan Mental Kelas 6B},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/10058/},
          author = {Amir, YA}
}