Huy Quang Ngo, Thanh Xuan Bui. “‘Filial Piety’ in Confucius’ Philosophy: A Foundational Element of Personal, Family, and Social Ethics”. International Journal of Special Education, vol. 41, no. 16s, July 2026, pp. 550-7, https://mail.internationalsped.com/index.php/ijse/article/view/5041.