Marks-Bielska, R., & Opalach, D. (2019). DIFFERENCES IN THE LEVEL OF ENTREPRENEURSHIP AMONG MUNICIPALITIES OF THE WARMIŃSKO-MAZURSKIE PROVINCE IN POLAND. Acta Scientiarum Polonorum. Oeconomia, 18(1), 53–62. https://doi.org/10.22630/ASPE.2019.18.1.6