(3CMcGe hBQGA aj efGRYGJ GdJfajP GdhbJjI (B:s (3ETcGdGJ GdJfajP hOYGhi YOe GdEYJOGA hGdUjZ GdbGfhfjI (B/s - (3gQLI, eUWai eLOjs ((3GdEScfOQjI, eUQ (B:s (3OGQ GdeWHhYGJ GdLGeYjI,s, 1989)
Keywords: (3JfajP GdCMcGes -- (3eUQs; (3GdeMGceGJ GdeOfjIs -- (3eUQs; (3bGfhf GdELQGAGJ GdeOfjI hGdJLGQjIs -- (3eUQs