"Integrated Report 2022"(PDF). Grupo Ultra. 17 March 2023. pp. 3, 4, 12, 13. Archived from the original(PDF) on 11 February 2024. Retrieved 18 January 2024.
"Integrated Report 2022"(PDF). Grupo Ultra. 17 March 2023. pp. 3, 4, 12, 13. Archived from the original(PDF) on 11 February 2024. Retrieved 18 January 2024.