Zwolińska-Ligaj, M. (2015). AREAS OF BUSINESS ACTIVITY IN THE DEVELOPMENT OF ENVIRONMENTALLY VALUABLE ECO-PRODUCTS - AS EXEMPLIFIED BY THE LUBLIN VOIVODESHIP. Acta Scientiarum Polonorum. Oeconomia, 14(3), 157–166. Retrieved from https://aspe.sggw.edu.pl/article/view/438