(3GdeLdI GdGLJeGYjI GdbhejI(B.s (3jfGjQ (B- (3eGjh (B- (3SHJeHQ (B1986 /s ((3GdbGgQI (B:s (3GdeQcR Gdbhej ddHMhK GdGLJeGYjI hGdLfGFjI,s, 1986)
(3JUfja GdYdhe YfO GHf NdOhf (B/s (3O(B. (3RjfH QVhGf(B.s
(3GdeLdO GdKGdK hGdYTQhf(B: (3GdYOO GdChd hGdKGfj hGdKGdK(B.s
Keywords: (3bhGfjf hJTQjYGJs -- (3OhQjGJs