(3eHGOiA GdEQTGO GdfaSj (B/ s - (3CHh YWjI, SgGe OQhjTs ((3YeGf (B:s (3OGQ GdacQ ddWHGYI hGdfTQ hGdJhRjY,s, 1997)
Keywords: (3Yde GdfaS GdJQHhjs