https://etd.repository.ugm.ac.id/penelitian/detail/111802000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/111822000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/111832000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/111862000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/112282000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/112292000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/112302000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/112322000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/119522000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/119542000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/119552000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/119582000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/120002000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/120012000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/120022000never1.0https://etd.repository.ugm.ac.id/penelitian/detail/120042000never1.0