ZABOCHNICKA-ŚWIĄTEK, M.; KOCELA, R. Organic and mineral soil improvers intended for the cultivation of butterhead lettuce . Economics and Environment, [S. l.], v. 68, n. 1, p. 14, 2019. Disponível em: https://www.ekonomiaisrodowisko.pl/journal/article/view/104. Acesso em: 29 apr. 2024.