@unpublished{repository37448,
            note = {Unpublished},
           title = {ST Penelitian Eksplorasi},
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/37448/},
          author = {AKHMAD, Haqiqi}
}