Zeler, Ileana, Andrea Oliveira Dos Santos, and Mireia Bosch Casellas. 2021. “The Corporate Social Responsibility Communication of the Sustainable Spanish Companies of the FTSE4Good IBEX Index: A Study of Their Non-Financial Information As from Law 11/2018, Dated 28 December”. Comunicació. Revista De Recerca I d’Ànàlisi 38 (2):29-49. https://revistes.iec.cat/index.php/TC/article/view/149402.