(3OhQ GdJYdje aj JMQjQ HjJ GdebOS EHGf GdYUQ GdCjhHj (B/ s - (3GdNWjH, EHQGgje jGSjfs ((3YeGf (B:s (3GdeDda,s, 1993)
Keywords: (3GdJQHjIs; (3GdCjhHjhf (B1174-1252s; (3JGQjN GdJQHjIs