(3QDjI ai JMOjK GdacQ GdeUQi (B: (3GMeO aJMi RZdhd hbVjI GdJYQjH (B/ s - (3GMeO RcQjG GdTdbs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1987)
Keywords: (3GdYUQ GdMOjKs; (3eUQs; (3JGQjNs; (3GdJQLeI GdYQHjIs; (3GdGMhGd GdKbGajIs; (3GdJCdjas