(3GdGjGe GddjGdi hGdTghQ (B/ s - (3GHi RcQjG jMji Hf RjGO GdaQGAs; (3GHQGgje GdGHjGQis ([S.N] : (3OGQ GdcJGH GdeUQi , s, 1980)
Keywords: (3GddZI GdYQHjIs; (3GdaGX GddZI GdYQHjIs