Sánchez-Hervás, D. ., and S. . Hernández Martínez. “Acts and Sustainable Events in the Most Responsible Organizations in Spain: Follow-up of the ISO 20121 Criteria in the Events of the Leading Companies in the MERCO Ranking”. HUMAN REVIEW. International Humanities Review / Revista Internacional De Humanidades, vol. 14, no. 4, Dec. 2022, pp. 1-10, doi:10.37467/revhuman.v11.4146.