https://etd.repository.ugm.ac.id/penelitian/detail/2090892022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2097102022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2113512022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2122032022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2155842022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2157852022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2161102022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2162382022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2186522022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2191842022never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2195182022never1.0