(3GdMGSH GdGdcJQhfi hfXe GdeYdheGJ (B/s ((3HjQhJ (B:s (3OGQ GdfgVI GdYQHjI ,s, 1983)
Keywords: (3GdMGSHGJ GdGdcJQhfjIs; (3GdGOGQIs; (3fXe GdeYdheGJs; (3GdeYdheGJs; (3GdGOGQI HGdeYdheGJs; (3JMdjd GdfXe (B((3MGSHGJ GdcJQhfjI(B)s; (3JUeje GdfXe (B((3MGSHGJ GdcJQhfjI(B)s; (3JhUja GdfXe (B((3MGSHGJ GdcJQhfjI(B)s