https://etd.repository.ugm.ac.id/penelitian/detail/774912014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/780842014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/781002014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/781622014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/781782014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/782242014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/782582014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/784432014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/784472014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/785522014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/788812014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/789512014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/790532014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/790552014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/793112014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/793162014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/802302014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/828462014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/829092014never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1126662014never1.0