(3efgL GdjghO aj JRjja GdJGQjN (B/ s - (3MLGRj, eMeO YHO GdhGMOs ((3GdefUhQI (B: s (3ecJHI GdEjeGf ddfTQ hGdJhRjY, s, 2002)
Keywords: (3GdadSag GdjghOjgs; (3GdJGQjN(B. s; (3GdjghO(B. s