(3GdHOhf(B!(3? (B/ s - (3GdfLe (B: (3eMeOs ({{u0627}(3dchjJ(B] : s (3O(B.(3f (B: s)
Keywords: (3GdbGfhf GdeOfis -- (3GdchjJs; (3GdchjJs -- (3GdGMhGd GdGLJeGYjIs