(3YbO GdJMhjd GdeUQaj GdEdcJQhfj (B: ( (3OQGSI bGfhfjI ebGQfI(B) / s - (3PhGHI, eMeO YeQs; (3jG edcj, CcQes ((3YeGf (B:s (3OGQ GdKbGaI ddfTQ hGdJhRjY,s, 2006)
Keywords: (3GdbGfhfs; (3GdHfhcs