@unpublished{repository26628,
            year = {2023},
       publisher = {Universitas Muhammadiyah Prof. DR. Hamka},
           month = {April},
            note = {Unpublished},
           title = {Surat Tugas dan Sertif Pemateri Sakubun Himawari},
             url = {http://repository.uhamka.ac.id/id/eprint/26628/},
          author = {Utari, Retno}
}