https://etd.repository.ugm.ac.id/penelitian/detail/779282015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/802882015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/803152015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/803882015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/804482015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/814222015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/816262015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/868062015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/870282015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/881402015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/882672015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/884152015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/884432015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/889502015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/891412015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/891642015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/893162015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/912102015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/922552015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/922572015never1.0https://etd.repository.ugm.ac.id/penelitian/detail/923782015never1.0