(3GdeCKhQGJ GdTYHjI (B: s (3aUdjI YdejI eJNUUI (B/ s ((3GdEeGQGJ (B: s (3eQcR GdJQGK GdTYHj dOhd GdNdjL GdYQHjI , s, 1986)
Keywords: (3GdJQGK GdTYHj; GdKbGaI GdNdjLjI; GdYGOGJ hGdJbGdjOs