@unpublished{repository46665,
       publisher = {FIKES UHAMKA},
            note = {Unpublished},
           title = {Undangan dan Surat Tugas Narasumber Course Nutrition and Diseases FKUI},
             url = {http://repository.uhamka.ac.id/id/eprint/46665/},
          author = {Khusun, Helda}
}