https://etd.repository.ugm.ac.id/penelitian/detail/113582002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/113592002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/113602002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/113612002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/113622002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/113632002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/113642002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/113652002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/121302002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/121312002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/121322002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/121332002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/121342002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/121352002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/121362002never1.0https://etd.repository.ugm.ac.id/penelitian/detail/121372002never1.0