(3GdbGfhf GdJLGQj (B:s (3fXQjI GdEadGS hbGfhfg aj GdShOGf (B/s - (3YGHOjf, eUWai Mdejs ((3GdNQWhe (B:s (3eWHYI LGeYI Gdfjdjf,s, 1900)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdEadGSs -- (3bhGfjf hJTQjYGJs -- (3GdShOGfs; (3GdbGfhf GdJLGQjs -- (3GdShOGfs