PIWOWAR, A. THE IMPORTANCE OF A PRODUCT BRAND FOR AGRICULTURAL PRODUCERS WHEN PURCHASING MINERAL FERTILIZERS. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 11, n. 1, p. 61–68, 2012. Disponível em: https://aspe.sggw.edu.pl/article/view/574. Acesso em: 2 may. 2024.