(3efgd GdeJSGFd Yf GdehSjbi hGNHGQ GdZfGA aj GdYQGb GdbQf GdYTQjf (B/ s - (3GdYHGS , MHjH XGgQ s ((3HZOGO (B: s (3OGQ GdKbGaI hGdfTQ GdcQOjI , s, 2012)
Keywords: (3GdehSjbi s