https://etd.repository.ugm.ac.id/penelitian/detail/581362013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/586402013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/592372013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/592752013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/592922013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/593262013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/594352013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/596092013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/608242013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/608712013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/609952013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/610142013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/610642013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/630912013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/633852013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/634172013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/637482013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/659662013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/660682013never1.0https://etd.repository.ugm.ac.id/penelitian/detail/679412013never1.0