@unpublished{repository6434,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {Optik 3A 2020/2021 Feli Cianda Adrin},
          author = {Feli Cianda Adrin Burhendi, FCAB},
             url = {http://repository.uhamka.ac.id/id/eprint/6434/}
}