(3bUU GdCeKGd h QhGFY GdCTYGQ GdYQHjI(B((3dcd eKd bUI fSjJ hYHQI HbjJ(B) / s - (3GdYRI, eMeO MSjfs ((3YeGf (B:s (3OGQ YGde GdKbGaI ddfTQ hGdJhRjY,s, 2006)
Keywords: (3GdCOH GdYQHjs; (3GdefhYGJ GdCOHjIs; (3GdTYQ GdCOHjs; (3GdCeKGds