Paccagnella, A. F. e Marchetto, P. B. (2019) “Animal welfare versus animal abolitionism: a comparison of the theories by Peter Singer and Tom Regan and their influence on the Brazilian Federal Constitution”, Revista de Direitos e Garantias Fundamentais, 20(2), p. 251–270. doi: 10.18759/rdgf.v20i2.1493.