@manual{repository1267,
            type = {Documentation},
           title = {1. Sunarta 01 Penelitian Minat Beli Sunarta 2020},
       publisher = {Prodi S2 MM},
          author = {Bambang, Dwi Hartono},
             url = {http://repository.uhamka.ac.id/id/eprint/1267/}
}