MAŁYSZKO, Jacek; BUKOWSKA, Elżbieta; FILIPOWSKA, Agata; PERKOWSKI, Bartosz; STOLARSKI , Piotr; WIELOCH, Karol. Automatic Identification of Buy, Sell and Exchange Offers in Unstructured Texts Written in the Polish Language. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 1, n. 5, p. s. 60–72, 2013. DOI: 10.18559/pmanf127. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3214. Acesso em: 3 sep. 2026.