(3ehJi jbdbhf GdeOjfI (B: s (3bUU (B/ s ((3OeTb, ShQjG (B: s (3OGQ eeOhM YOhGf ddfTQ hGdJhRjY , s, 2012)
Keywords: (3GdbUI GdYQHjI GdbUjQI; GdCOH GdShQj GdeYGUQ; GdSQO GdYQHj GdMOjKs