How to do business in Poland

http://www.nbp.pl/homen.aspx?f=/srodeken.htm

http://www.mf.gov.pl/en/news

http://mazowieckie.pl/en/for-foreigners-1/work-permits

http://www.zus.pl/default.asp?p=1&id=1442

http://www.mpips.gov.pl/en/ - Ministry of Economy and Labor

http://www.um.warszawa.pl/en

www.stat.gov.pl - Central Statistical Office