Kowerski, M., Bielak, J., Długosz, D. and Poninkiewicz, M. 2012. Economic Sentiment Changes in the Lubelskie Voivodship in the 2nd Quarter of 2012. Regional Barometer. Analyses & Prognoses. 3 (29) (Dec. 2012), 109–124. DOI:https://doi.org/10.56583/br.1231.