(3JGQjN GdjYbhHj (B/s - (3GHf hGVM ,GMeO Hf GHj jYbhH Hf LYaQ Hf hgH GdcGJH s; (3HMQ GdYdhe ,eMeO UGOa s ((3GdfLa (B:s (3GdecJHI GdMjOQjI ,s, 1974)
Keywords: (3GdYGde (B-(3JGQjN s