https://etd.repository.ugm.ac.id/penelitian/detail/1991302021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2005182021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2047812021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2051752021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2051762021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2051932021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2055672021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2066002021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2066082021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2066112021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2066132021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2066152021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2066752021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2066902021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2067102021never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2067382021never1.0