(3af GdTQb GdGOfi GdbOje (B/ s - (3dhjO SjJTfs; (3eMeO OQhjT (B( (3eJQLe (B)s ([S.N] : (3OGQ GdeGehf ddJQLeI hGdfTQ , s, 1988)
Keywords: (3Gdafs; (3Gdaf GdbOjes; (3Gdaf GdeUQis