(3GdCef GdYGe hCKQg aj HfGA GdMVGQI (B:s (3CHMGK GdfOhI GdYdejI GdSGHYI YTQI (B/s - (3GdeQcR GdYQHj ddOQGSGJ GdCefjI hGdJOQjH (B((3GdQjGV(B).s (3fOhI YdejIs 1406 (3g` (B:s ((3GdQjGV (B:s (3GdeQcR GdYQHj ddOQGSGJ GdCefjI hGdJOQjH,s, 1990)
Keywords: (3GdCef GdOGNdjs -- (3GdHdGO GdYQHjIs -- (3eDJeQGJs; (3GdTQWIs -- (3GdHdGO GdYQHjIs -- (3eDJeQGJs