(3eYGfj GdfMh (B/ s - (3GdSGeQGFj, aGVd UGdMs ((3YeGf (B:s (3OGQ GdacQ ddWHGYI h GdfTQ h GdJhRjY,s, 2000)
Keywords: (3GddZI GdYQHjIs; (3bhGYO GddZIs