https://etd.repository.ugm.ac.id/penelitian/detail/2239402023never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2241202023never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2241992023never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2242012023never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2242752023never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2271072023never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2278972023never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2279772023never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2286782023never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2323812023never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2327472023never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2337222023never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2338202023never1.0