(3GdbGfhf GdJLGQj (B: s (3ebOeI GdCYeGd GdJLGQjI hGdJLGQ, GdTQcGJ GdJLGQjI, GdedcjI GdJLGQjI hGdUfGYjI (B/ s - (3Wg, eUWai ceGd s ((3HjQhJ (B:s (3GdOGQ GdLGeYjI ddWHGYI hGdfTQ,s, 1982)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbGfhf GdJLGQjs -- (3eUQ s; (3GdTQcGJ s -- (3bhGfjf hJTQjYGJs -- (3eUQ s