(3GWaGd GdThGQY (B:s (3GdLfS h GdYOhGfjI (B: (3OQGSI faSjI (B/s - (3QVhi aQZdi (B.s ((3GdbGgQI (B:s (3ecJHI GdOGQ GdYQHjI ddcJGH ,s, 2012)
Keywords: (3GdGWaGd GdeJTQOhf (B.s; (3GWaGd GdThGQY (B.s