TRAN THIEN CHIEN. Organization and activities of public service organizations in centralized cities in the world and application in Vietnam. Journal of Advanced Zoology, [S. l.], v. 44, n. S2, p. 5188–5201, 2023. DOI: 10.53555/jaz.v44iS2.2706. Disponível em: http://jazindia.com/index.php/jaz/article/view/2706. Acesso em: 2 jun. 2024.