(3YbO GYGOI GdJCejfs : (3OQGSI bGfhfjI ebGQfI (B/ s - (3hdi (B: (3YOfGf GMeOs ((3HZOGO (B: s (3; eWHYI GdeYGQa s, 1982)
(3U(B281-296) ) (3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdJCejfs -- (3bhGfjf hJTQjYGJ s