(3TQM bGfhf GdYbhHGJ GdCgdj(B/s - (3Hc,GMeO Gejfs ((3HjQhJ(B[(3dHfGf(B]:s (3GdOGQ GdYQHjI ddehShYGJ,s, 1982)
Keywords: (3bGfhf GdYbhHGJs