(3OQhS ai bGfhf GdYbhHGJ (B:s (3LQGFe GdGYJOGA Ydi GdCehGd hGdCTNGU (B/s - (3eOLJ YHO GdMdje QeVGfs ((3ajUd (B:s (3GdeDSSI GdafjI ddWHGYI hGdfTQ,s, 1997)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdLfGFis; (3GdLQGFe GdeGSI HGdCTNGUs