余 一. 論劉咸炘之理事説及其困境: The Background and Problems of Liu Xianxin’s Theory of "Principle" and "Social Activities". 人文中國學報, [S. l.], v. 33, p. 179–213, 2021. DOI: 10.24112/sinohumanitas.331978. Disponível em: https://ejournals.lib.hkbu.edu.hk/index.php/sinohumanitas/article/view/1978. Acesso em: 25 apr. 2024.