@unpublished{repository22634,
           title = {P-B 2021},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/22634/},
          author = {Anisa Amalia, Anisa and Fith Khaira Nursal, Fith and Kori, Yati and Fahjar Prisiska, Fahjar}
}