(3OYGhi GdCaYGd h GdLQGFe GdefGajI ddMTeI h GdMjGA h GdBOGH (B/ s - (3TdGdG, fRjg fYjes ((3dHfGf (B:s (3efThQGJ GdMdHj GdMbhbjI,s, 2006)
Keywords: (3GdLQjegs; (3GdeTGcd GdGLJeGYjgs; (3GdbGfhfs