https://etd.repository.ugm.ac.id/penelitian/detail/825032015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/827372015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/851602015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/853652015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/854072015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/854522015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/854752015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/855272015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/855392015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/855492015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/856432015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/856442015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/856722015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/856952015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/856972015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/857352015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/858372015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/858542015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/858872015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/859012015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/859072015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/861342015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/861902015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/862812015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/871342015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/871422015never1.0