https://etd.repository.ugm.ac.id/penelitian/detail/114522003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/114532003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/114542003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/114552003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/114712003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/114722003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/114802003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/114922003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/114932003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/122242003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/122252003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/122262003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/122272003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/122432003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/122442003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/122522003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/122642003never1.0https://etd.repository.ugm.ac.id/penelitian/detail/122652003never1.0