https://etd.repository.ugm.ac.id/penelitian/detail/2342722024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2355122024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2387132024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2391972024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2396472024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2450102024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2455092024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2455102024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2455112024never1.0https://etd.repository.ugm.ac.id/penelitian/detail/2457052024never1.0