november 1997 World Bank Publications. creator Group, World Bank. xxu S.l.] World Bank Publications 1998 Rev. Jan. 1999 ed. eng 240 p. Hardcover. World Bank Publications 0821341545 9780821341544 http://www.amazon.com/exec/obidos/ASIN/0821341545/chopaconline-20 http://www.chopac.org/cgi-bin/tools/azrev.pl?q=0821341545 http://www.amazon.com/exec/obidos/ASIN/0821341545/chopaconline-20 http://www.chopac.org/cgi-bin/tools/azrev.pl?q=0821341545 160506 20180116182651.0