(3ehShYI GdQjGVg (B/ s - (3YWG Gddg, SejQs ((3WQGHdS (B((3dHfGf(B) :s (3LQhS HQS,s, 1992)
Keywords: (3GdCdYGH GdQjGVjIs; (3GdJQHjI GdHOfjIs