(3GdHHdhLQGajG GdTGedI ddWahdI ai QHY bQf MJi (B1981 / s - (3cGejdjG YHOGdaJGMs; (3GHhGdaJhM MGeO YhOIs ((3GdbGgQI (B: s (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1986)
Keywords: (3GdGWaGds; (3GdTHGHs; (3GdcJHs; (3GdQSGFd GdLGeYjIs; (3GdHHdjhLQGajGs