(3abg GdJYGed eY GdaJf (B/ s - (3GdZGeOj , Rjf GdYGHOjf Hf YRe Gddg s ((3GdefUhQI (B: s (3OGQ GdgOi GdfHhj ddfTQ hGdJhRjY , s, 2006)
Keywords: (3Gdabg GdESdGej s