https://etd.repository.ugm.ac.id/penelitian/detail/396612008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396622008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396632008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396722008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396742008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396752008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396762008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396772008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396782008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396792008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396802008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396812008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396822008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396832008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396842008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396852008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396862008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396872008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396882008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/396892008never1.0