(3GdJOGhi HGdYfH (B/s - (3TGcdJhf, HGSjds; (3YeQ, eMeO GdTjNs ([(3O(B. (3e(B. :s (3O(B. (3f(B.](3,s, 1983)
Keywords: (3GdYfHs; (3GdWH GdTYHjs