https://etd.repository.ugm.ac.id/penelitian/detail/2409112000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2441762000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2491322000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2494122000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2496312000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2507052000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2542502000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2551082000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2558052000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2560372000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2606222000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2606262000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2607652000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2629852000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2729142000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2733462000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2737592000never1.0