(3haGg GjaGf GdjJi hShfGJGcQhjJRQ (B/ s - (3JhdSJhi, djhs; (3GdTQja NGWQs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1985)
Keywords: (3GdbUI GdQhSjI GdeJQLeIs; (3GdGOH GdQhSi GdeJQLes