https://etd.repository.ugm.ac.id/penelitian/detail/602422013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/602552013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/602622013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/602662013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/602672013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/602702013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/602712013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/602732013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/602792013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/625582013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/625592013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/626072013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/626082013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/626102013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/648672013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/649972013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/653632013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/653722013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/654802013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/654902013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/655202013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/675782013never1.0