https://etd.repository.ugm.ac.id/penelitian/detail/368302008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/368322008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/368332008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380192008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380202008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380312008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380332008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380352008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380372008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380502008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380592008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380602008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380612008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380632008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380642008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380652008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380662008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380672008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380682008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380692008never1.0https://etd.repository.ugm.ac.id/penelitian/detail/380702008never1.0