(3Jhajb GdMcje(B: (3SjQJg hCYeGdg (B/ s - (3GMeO SjO eMeOs ([S.N] : (3GdUOQ dNOeGJ GdWHGYI , s, 1991)
Keywords: (3eUQs; (3GdGOHGA GdYQHs