https://etd.repository.ugm.ac.id/penelitian/detail/1330732001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1341312001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1344762001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1344892001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1346782001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1353102001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1353792001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1361362001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1363862001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1376842001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1391152001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1404142001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1410732001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1427512001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1432632001never1.0https://etd.repository.ugm.ac.id/penelitian/detail/1439642001never1.0