@unpublished{repository51535,
           title = {SK Mengajar Astrofisika Gasal 2025/2026},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/51535/},
          author = {Martin, Martin}
}