@unpublished{repository9718,
           title = {Sertifikat Kuliah Umum PBL},
            note = {Unpublished},
            year = {2021},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           month = {August},
             url = {http://repository.uhamka.ac.id/id/eprint/9718/},
          author = {Sukmara, Rina}
}