(3GddgLGJ GdYQHjI aj GdJQGK (B: s (3GdfXGe GdfMhj (B/ s - (3GdLfOj, CMeO Yde GdOjfs ((3WQGHdS (B( (3djHjG (B) :s (3GdOGQ GdYQHjI ddcJGH,s, 1983)
Keywords: (3GddZI GdYQHjIs; (3GddgLGJs; (3GddZGJ GdYGejIs