(3GdOQGSI GdYdejI ddeYJbOGJ GdTYHjI (B: s (3ef Odjd GdYed GdejOGfj dLGeYj GdJQGK GdTYHj (B/ s - (3GdLhgQj, eMeOs; (3TcQj, YdjGAs ((3GdGScfOQjg (B:s (3OGQ GdeYQaI GdLGeYjI,s, 1993)
Keywords: (3GdYGOGJ h GdJbGdjOs; (3GdCOH GdTYHjs; (3GdJQGKs