@unpublished{repository2324,
           title = {Surat Tugas Mengajar Semester Genap 2019/2020},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/2324/},
          author = {Heni Novita Sari, Heni Novita Sari}
}