(3JLGhR Mb GdOaGY GdTQYj (B: s (3OQGSI ebGQfI Hjf GdTQjYI hGdbGfhf (B/ s - (3GdMhTGf, YHO GdYRjR SdjeGfs ((3HjQhJ (B: s (3efThQGJ GdMdHj GdMbhbjI, s, 2011)
Keywords: (3GdOaGY Yf GdeJge (B((3ELQGAGJ LfGFjI(B)s; (3GdbGfhf GdLfGFjs