(3ehShYI YdeGA GdJQHjI h YdeGA GdfaS (B/ s - (3TQHd, ehQjSs ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 1991)
Keywords: (3GdJQHjIs; (3GdJYdes; (3GdJQGLes; (3GdehShYGJs; (3Yde GdfaSs