(3TQM bGfhf GdLRGA GdchjJj (B/s - (3SejQ GdTfGhjs ((3GdchjJ (B:s [(3ZjQ eMOO(B](3,s, 1985)
(3HHdjhLQGajGs
(3GdfU HGddZI GdYQHjIs
Keywords: (3bGfhf GdYbhHGJ (B- (3GdbSe GdYGes