@unpublished{repository30508,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR HAMKA},
           title = {Kuliah Kimia Organik 1 2021},
             url = {http://repository.uhamka.ac.id/id/eprint/30508/},
          author = {Hariyanti, Hariyanti}
}