@misc{Majkut_Robert_Happiness_2012,
 author={Majkut, Robert and Wójcik, Dariusz},
 address={Poznań},
 address={Wrocław},
 howpublished={online},
 year={2012},
 publisher={Wydawnictwo Wyższej Szkoły Bankowej w Poznaniu},
 title={Happiness Domestic Product Poland and Ukraine},
 type={artykuł},
 keywords={happiness, NGP per capita, social satisfaction estimation, HDI (Human Development Index), HPI (Happy Planet Index), LPI (Legatum Prosperity Index), economic transformation},
}