STRAUSS, Danie. The historical roots of systematic distinctions. Tydskrif vir Christelike Wetenskap | Journal for Christian Scholarship, [S. l.], v. 51, n. 4, p. 1–21, 2015. Disponível em: https://pubs.ufs.ac.za/index.php/tcw/article/view/384. Acesso em: 11 oct. 2025.