(3aUhd s - (3GdgjFI GdeUQjI GdYGeI ddcJGHs ((3GdbGgQI (B:s (3GdgjFI GdeUQjI GdYGeI ddcJGH,s, 1980)
(3GgOGA ef GdOcJhQ LGHQ YUahQs
(3MQe GdSajQ MSf ZGfe s
(3O(B.(3ceGd GdHJGfhfj s
(3YUGe GdTfWi ; s
Keywords: (3GdGOH GdYQHis -- (3OhQjGJs