(3hbGjI GdeLJeY ef JYGWj GdeScQGJ hGdeNOQGJ (B/s - (3GdCgOd, YHO Gddg Hf CMeO bGOQj,s 1356 (3g`(B-s ((3GdQjGV (B:s (3GdMQS GdhWfj,s, 1990)
Keywords: (3GdeNOQGJs -- (3LhGfH GLJeGYjIs; (3GdeTQhHGJ GdchMdjIs -- (3LhGfH GLJeGYjIs