(3GdbGfhf GdJLGQj (B:s (3GdChQGb GdJLGQjI hGdEadGS (B/s - (3Wg, eUWai ceGds ((3GdEScfOQjI, eUQ (B:s (3eDSSI GdKbGaI GdLGeYjI,s, 1982)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbGfhf GdJLGQjs -- (3eUQs; (3GdChQGb GdJLGQjIs -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3GdEadGSs -- (3bhGfjf hJTQjYGJs -- (3eUQs