LIU, Qingyuan. Factors Affecting the Happiness Index. Interdisciplinary Humanities and Communication Studies, [S. l.], v. 2, n. 1, p. 992, 2024. DOI: 10.61173/b9b67x29. Disponível em: https://ihcs.deanfrancis.press/article/view/1033. Acesso em: 4 nov. 2026.