https://etd.repository.ugm.ac.id/penelitian/detail/2021332021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2021472021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2023122021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2025732021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2050842021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2051612021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2051632021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2051972021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2051982021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2054872021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2055252021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2055602021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2055882021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2055952021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2066462021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2068202021never1.0