@misc{repository50191,
       publisher = {Universitas Muhammadiyah Prof DR Hamka},
           title = {Sertifikat Wakil Ketua Panitia Pekerti 17 Alvin Eryandra, S.Psi., M.Si},
             url = {http://repository.uhamka.ac.id/id/eprint/50191/},
          author = {Eryandra, Alvin}
}