(3GdMeGjI GdLfGFjI ddMQjGJ GdTNUjI (B/s - (3eMeO Rcj CHh YGeQs ((3GdGScfOQjI (B:s (3efTCI GdeYGQa ,s, 1979)
129 -132 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3jTJed Ydj GQLGYGJ HHdjhLQGajI s
Keywords: (3GdbGfhf GdLfGFj s; (3GdMeGjI GdLfGFjI ddMQjGJ GdTNUjIs