(3GdeTcdI GdKbGajI aj GdLRGFQ (B: s (3GdJaGYdGJ h GdfJGFL (B/ s - (3Hf bjfg, YeQs ((3YeGf (B:s (3OGQ CSGeI,s, 2000)
Keywords: (3GdKbGaIs; (3JGQjN GdLRGFQs