(3GSQGQ jhfjcS (B/ s - (3NGdO GdYGeQis; (3LjeS Si GQeSJQhfLs ((3GdbGgQI (B: s (3OGQ GdaGQhb ddfTQ hGdJhRjY , s, 2000)
Keywords: (3GNJRGf hGSJQLGY GdeYdheGJs; (3jhfjcSs; (3GdHjGfGJ (B((3MGSHGJ GdcJQhfjI(B)s