Komunikat – „Podlaski barometr nastrojów gospodarczych”. Regional Barometer. Analyses & Prognoses, [S. l.], n. 1 (15), p. 126, 2009. Disponível em: https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/1430. Acesso em: 8 nov. 2024.