https://etd.repository.ugm.ac.id/penelitian/detail/2089092022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2089922022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2092952022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2101352022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2102012022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2149242022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2150252022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2155622022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2183022022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2188272022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2188482022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2188562022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2189932022never1.0