(3GdSQ aj MjGI GdaQO hGdCeI ef GdcJGH hGdSfIs - (3GMeO Hf eMehO Hf EHQGgje GdOjHs ((3HjQhJ s (3hRGQI GdGYdGe hGdKbGaIs, 1997)
Keywords: (3GdSjQI hGdbQGfs