(3GdZQH hGSHGH KQGFg (B: (3GdJMhd GdGbJUGOi ai GdYGde GdUfGYi (B/ s - (3UdjH HWQS (B((3eJQLe(B)s; (3QhRfHQL, fGKGfs; (3HjQORd, d(B0 (3h(B0s ([S.N] : (3OGQ GdacQ GdYQHi , s, 1986)
Keywords: (3GdJcGed GdGbJUGOis; (3GdUfGYIs; (3GdKhQI GdUfGYjIs; (3GhQHGs