(3GdeLdI GdGLJeGYjI GdbhejI(B.s (3jfGjQ (B1985 /s ((3GdbGgQI (B:s (3GdeQcR Gdbhej ddHMhK GdGLJeGYjI hGdLfGFjI,s, 1985)
(3GKQ GdJbOe GdJcfhdhLj Ydi GdeTcdGJ GdGLJeGYjI (B- (3GdGbJUGOjI aj GdShOGf(B/s (3C(B. (3MGJe HGHcQ(B.s
(3GdeLdO GdKGfj hGdYTQhf(B: (3GdYOO GdChd(B.s
Keywords: (3bhGfjf hJTQjYGJs -- (3OhQjGJs