@unpublished{repository31453,
            year = {2023},
           title = {Surat Tugas dan Sertif Narasumber Program Praktisi Mengajar di SMK 3 Metro},
       publisher = {Universitas Muhammadiyah Prof. DR. Hamka},
            note = {Unpublished},
           month = {October},
             url = {http://repository.uhamka.ac.id/id/eprint/31453/},
          author = {Utari, Retno}
}