WANG, Zhiguo. From Instrumental to Intrinsic: Rolston’s Theory of Natural Value and Moral Obligation. Journal of Social Science and Humanities, [S. l.], v. 7, n. 12, p. 15–18, 2025. DOI: 10.53469/jssh.2025.7(12).04. Disponível em: https://bryanhousepub.com/index.php/jssh/article/view/2910. Acesso em: 14 jan. 2026.