(3GdOQGSGJ GddgLjI h GdUhJjI YfO EHf Lfj (B/ s - (3GdfYjej, MSGe SYjOs; (3EHf Lfj, CHh GdaJM YKeGfs ((3HZOGO (B:s (3OGQ GdQTjO ddfTQ,s, 1980)
Keywords: (3GddZI GdYQHjIs; (3GddgLGJs