Luong Thi Kim Ngan, “THE ROLE OF CORPORATE SOCIAL RESPONSIBILITY IN ENHANCING COMPETITIVENESS: A CASE STUDY OF 4- AND 5-STAR HOTELS IN HUE CITY”, HUIT_OJS, vol. 26, no. 1E, p. 256, May 2026, doi: 10.62985/j.huit_ojs.vol26.no1E.360.