@unpublished{repository9974,
           title = {Prosiding Seminar Nasional M Mujirudin Genap 2021},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah PROF. DR. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/9974/},
          author = {Mujirudin, Mohammad}
}