@unpublished{repository41367,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
           title = {2439 ST Narasumber Darul Arqam Muhammadiyah},
          author = {Soebagyo, Joko},
             url = {http://repository.uhamka.ac.id/id/eprint/41367/}
}