(3LQjeI JYGWj GdeNOQGJ aj GdbGfhf GdebGQf (B/s - (3YjO, eMeO aJMj s ((3GdQjGV (B: s (3GdeQcR GdYQHj ddOQSGJ GdCefjI hGdJOQjH, s, 1988)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B. s
Keywords: (3GdeNOQGJs -- (3bhGfjf hJTQjYGJs -- (3eUQ s; (3GdLQjeI hGdeLQehf s -- (3bhGfjf hJTQjYGJ s -- (3eUQ s