https://etd.repository.ugm.ac.id/penelitian/detail/943102016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/949442016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/953732016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/978792016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/992392016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1024162016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1032392016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1035062016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1038352016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1038722016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1039052016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1039222016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1039842016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1067292016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1068062016never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1068832016never1.0