https://etd.repository.ugm.ac.id/penelitian/detail/39372000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/39652000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/39732000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/39782000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/39862000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/40512000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/40852000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/41042000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/42642000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/42882000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/43432000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/43572000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/43672000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/46342000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/46712000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/47072000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/47102000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/47722000never1.0