(3GdHMK GdYdej (B: s (3GdOdjd GdJWHjbj ddHGMKjf (B/ s - (3GdUjQaj, eMeO YHO GdaJGMs ((3YeGf (B:s (3OGQ hGFd ddfTQ,s, 2002)
Keywords: (3CSGdjH GdHMKs; (3GdHMK GdYdejs