(3GjWGdjG ai GdGMOGK GdHMQjI GdWQGHdSjI (B/ s - (3UdGM GdOjf GdShQi (B((3eQGLY(B)s; (3YeQ eMeO GdHGQhfi (B((3eJQLe(B)s; (3efaQhfi(B, (3cGeddhs ([S.N] : (3eQcR OQGSGJ LgGO GddjHjf VO GdZRh GdGjWG , s, 1988)
Keywords: (3JGQjNs; (3djHjGs; (3GdSaf GdMQHjIs; (3GdGSJYeGQ GdGjWGdis