https://etd.repository.ugm.ac.id/penelitian/detail/70242001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/70252001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/70262001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/70272001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/70282001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/70292001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/70642001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/71432001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/71442001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/73752001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/73762001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/75012001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/75022001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/75032001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/75042001never1.0