https://etd.repository.ugm.ac.id/penelitian/detail/1484262012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1484562012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1484792012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1485232012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1485382012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1490602012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1490642012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1491272012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1491422012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1492382012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1494062012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1494402012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1496222012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1496612012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1498042012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1498052012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1501212012never1.0