ZHANG, Yan; CHEN, Ankang; HE, Canyao; YU, Dier. Research on Audit Difficulties and Solution Paths for Wastewater Treatment Projects under the Concession Model. Scientific Journal of Economics and Management Research, [S. l.], v. 8, n. 7, p. 87–97, 2026. DOI: 10.54691/cjm04639. Disponível em: https://bcpublication.org/index.php/SJEMR/article/view/9557. Acesso em: 3 aug. 2026.