Pierre de Jean Olivi (2017). Treaty of contracts. Preliminary Study of Rafael Ramis Barceló. Translation and notes by Pedro Ramis Serra and Rafael Ramis Barceló. Cultura Económica, [S. l.], v. 38, n. 99, p. 77–79, 2020. Disponível em: https://erevistas.uca.edu.ar/index.php/CECON/article/view/3097. Acesso em: 16 dec. 2025.