https://etd.repository.ugm.ac.id/penelitian/detail/529422012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/543652012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/544562012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/544582012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/545572012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/545592012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/551942012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/563062012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/564322012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/566022012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/569412012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/569702012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/570632012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/573132012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/573722012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/574342012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/576582012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/578102012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/580832012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/583622012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/584172012never1.0https://etd.repository.ugm.ac.id/penelitian/detail/682882012never1.0