BALODE, Ilze. Engel Elasticities Derived from Lorenz and Concentration Curves: Case of Latvia. Lithuanian Journal of Statistics, [S. l.], v. 50, n. 1, p. 32–38, 2011. DOI: 10.15388/LJS.2011.13922. Disponível em: https://www.journals.vu.lt/statisticsjournal/article/view/13922.. Acesso em: 6 may. 2024.