XBRL Spain: ESEF. Standard format for financial statements in Europe. Madrid, 25 November 2019

UN Climate Change Conference – COP25. Call for volunteers for a Climate Change multimetric taxonomy. Madrid 2-13 December 2019.

Conference XBRL France. Paris, 17 December 2019

48th WCARS – Continuous Auditing and Reporting. Madrid, 23-24 April 2020

27th Eurofiling Conference. June 2020