(3GVhGA Ydi bGfhf GdejQGK (B/ s - (3YRJ MSfjfs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1989)
Keywords: (3GdbGfhfs; (3GdGMhGd GdTNUjIs; (3GdbGfhf GdNGUs; (3GdGQKs; (3bGfhf GdJQcGJs; (3GdehGQjKs; (3GdhUGjGs; (3GdJQcGJs