(3OQGSGJ ai Yde GdLeGd (B/ s - (3YOfGf QTjOs ((3HjQhJ (B: s (3OGQ GdfgVI GdYQHjI ddWHGYI hGdfTQ , s, 1985)
Keywords: (3Gdafs; (3Gdaf hGdeLJeYs; (3GdLeGd ai Gdafs; (3GdLeGd (B- (3Ydes