@unpublished{repository41009,
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA},
            note = {Unpublished},
           title = {Surat Tugas dan Sertifikat Webinar Hari Guru "Guru Hebat Indonesia Kuat"},
             url = {http://repository.uhamka.ac.id/id/eprint/41009/},
          author = {Latifah, Nur}
}