BISAGA, Anna; SOKOŁOWSKA, Stanisława. The role of instruments of the Common Agricultural Policy in securing sustainable development of rural areas. a case study of Opole Province. Economics and Environment, Poland, v. 64, n. 1, p. 11, 2018. Disponível em: https://ekonomiaisrodowisko.pl/journal/article/view/181.. Acesso em: 14 dec. 2024.