dos Santos, Luciane Simone Bordignon, and Jandir Ferrera de Lima. 2009. “HISTORICAL NOTES OF THE AGRICULTURAL MODERNIZATION IN THE REGIONS OF THE PARANÁ STATE IN BRAZIL (1970-1995)”. Varia Scientia 8 (14):p. 143-170. https://e-revista.unioeste.br/index.php/variascientia/article/view/1113.