KALALA, Jean Rene; HANCHAR, Andrei; WITKOWSKA-DĄBROWSKA, Mirosława. Foreign Trade of the Democratic Republic of the Congo and the Share of Agricultural Products for Export. Olsztyn Economic Journal, [S. l.], v. 15, n. 2, p. 113–127, 2020. DOI: 10.31648/oej.5835. Disponível em: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/5835. Acesso em: 15 nov. 2026.