(3GdWHN GdYQHj h GdQTGbI (B/ s - (3cfaGfj, djfG YUahQs ((3HjQhJ (B:s (3OGQ GdYde ddedGjjf,s, 1986)
Keywords: (3GddjGbI GdHOfjIs; (3GdQjLjes