JACKOWIAK, Bogdan. Thematic structure of research on crop weeds in Poland. Biodiversity: Research and Conservation, [S. l.], v. 48, p. 1–10, 2017. DOI: 10.1515/biorc-2017-0016. Disponível em: https://pressto.amu.edu.pl/index.php/biorc/article/view/biorc-2017-0016. Acesso em: 18 jul. 2024.