(3GUhd GdeQaYGJ GdTQYjIai eSGFd GdGMhGd GdTNUjI (B/ s - (3GfhQ GdYeQhSis ([S.N] : (3GdfGOi GdGOHi GdKbGai , s, 1989)
Keywords: (3GdbGfhfs; (3GdGMhGd GdTNUjIs; (3bGfhf GdeQGaYGJs