@unpublished{repository53566,
           title = {Surat\_Tugas dan Sertifikat Seminar Nasional Pemikiran Bulaksumur \#47},
            note = {Unpublished},
       publisher = {UHAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/53566/},
          author = {Tricahyono, Nur Harsono}
}