@unpublished{repository50584,
           title = {Bukti Ajar MK Kalkulus Differensial semester Gasal 2025},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof DR HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/50584/},
          author = {Feli Cianda Adrin Burhendi, FCAB}
}