(3ENJHQ TNUjJc h fegG (B/ s - (3TQHc, QHfG ehQjSs ((3HjQhJ (B:s (3YGde GdcJH ddfTQ h GdJhRjY,s, 1997)
Keywords: (3GdTNUjIs; (3ENJHGQGJ GdTNUjIs