https://etd.repository.ugm.ac.id/penelitian/detail/375122008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375132008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375142008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375152008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375162008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375172008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375182008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375202008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375882008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375892008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375902008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375912008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375922008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375932008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375942008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/375952008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/387232008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/400822008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/400842008never1.0