Cyrek, Piotr, and Marian Woźniak. “THE MEANING OF MARKET INFORMATION FOR RETAIL TRADE ENTERPRISES”. Acta Scientiarum Polonorum. Oeconomia 4, no. 1 (June 30, 2005): 43–51. Accessed December 23, 2024. https://aspe.sggw.edu.pl/article/view/940.