(3GdJNWjW GdYeQGfi hGdJUeje GdMVQi (B/s - (3GSeGYjd YHOGdYRjR YGeQs ((3GdbGgQI (B:s (3OGQ GdcJGH GdMOjK ,s, 2012)
(3HHdjhLQGajI (B: (3U (B147 - 149s
Keywords: (3JNWjW GdeOfs; (3GdGMjGA GdScfjIs; (3GdJNWjW GdGbdjeis