(3GdeMceI GdQbejI (B:s (3eaghegG(B-(3ebheGJgG (B/s - (3gdGd, eMeO QVhGfs ((3GdbGgQI (B: s (3OGQ gdG ddfTQ hGdJhRjY, s, 2007)
(3HHdjhLQGajI (B: (3U(B. 131-136.s
Keywords: (3GdJOGYj CeGe GdeMGce s -- (3eYGdLI HjGfGJ s; (3GdOYhi GdeOfjI s -- (3eYGdLI HjGfGJ s