Izzo, Teresa, Russo, Antonella ORCID: https://orcid.org/0000-0001-9376-1383 and Risaliti, Gianluca (2026) Corporate sustainability and firm valuation in the global oil and gas industry: the moderating role of external sustainability assurance. Journal of Accounting, Finance and Auditing Studies (JAFAS). ISSN 3005-9844 (Print), 2149-0996 (Online) (In Press)