https://etd.repository.ugm.ac.id/penelitian/detail/2359742024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2365222024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2391112024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2447852024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2447902024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2451262024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2457902024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2457942024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2486492024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2486572024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2488932024never1.0