LI, Ze. Research on the Development Countermeasures of Elderly Tourism in Liaoning Province under the Background of Aging. Transactions on Economics, Business and Management Research, [S. l.], v. 2, p. 107–111, 2023. Disponível em: https://wepub.org/index.php/TEBMR/article/view/286. Acesso em: 21 jul. 2026.