@unpublished{repository3018,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {Sertifikat KBMI a.n. Nur Hadiyazid R},
             url = {http://repository.uhamka.ac.id/id/eprint/3018/},
          author = {Rachman, Nur Hadiyazid}
}