@misc{repository29415,
           title = {Penelitian (Firman) \_ [2021-04-19]},
            year = {2021},
           month = {April},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/29415/},
          author = {Hasan, Firman Noor}
}