https://etd.repository.ugm.ac.id/penelitian/detail/503702011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/506692011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/511932011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/519802011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/523262011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/523782011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/524552011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/526022011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/527992011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/529112011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/529572011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/530022011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/531952011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/532272011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/532342011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/533312011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/536422011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/536712011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/537112011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/537392011never1.0https://etd.repository.ugm.ac.id/penelitian/detail/539352011never1.0