(3TQM bGfhf GdYbhHGJ (B:s (3GdbSe GdfXQjI GdYGeI ddLQjeI hGdfXQjI GdYGeI ddLRGA GdLfGFi (B/s - (3TQja SjO cGed s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 2013)
(3jTed Ydi GQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbGfhf GdLfGFis