(3GdeHGOF GdYdejI dOQGSI GdELQGe hGdYbGH (B/ s - (3GdYhVj, YHO GdefYe YHO GdQMje s ((3GdbGgQI (B: s (3OGQ GdacQ GdYQHj,s, 1900)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B. s
Keywords: (3Yde GdELQGe s; (3bGfhf GdYbhHGJ s; (3GdLQjeI hGdeLQehf s