(3GdKbGaI GdYQHjI GdGSHGfjI YHQ GdJGQjN OQGSGJ hGHMGK GdOQGSGJ GdJi GdbjJ ai fOhI GdKbGaI GdYQHjI GdGSHGfjI YHQ GdJGQjN OeTb (B10_13 (3OjSeHQ (B1990 / s - (3hRGQI GdKbGaI GdShQjIs ([S.N] : (3efThQGJ hRGQI GdKbGaI , s, 1991)
Keywords: (3GdGfOdSs; (3GdKbGaI GdYQHjIs; (3GdMVGQI GdGSdGejIs