@unpublished{repository8666,
           title = {Membimbing Thesis},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/8666/},
          author = {Ihsana El Khuluqo, Ihsana El Khuluqo and Susilo, M. Si}
}