
https://theconversation.com/tres-preguntas-fundamentales-para-saber-si-las-empresas-cumplen-su-proposito-224017

https://www.mckinsey.com/mgi/our-research/pixels-of-progress-introduction

https://www.europarl.europa.eu/sides/getDoc.do?pubRef=-//EP//NONSGML+TA+P6-TA-2009-0213+0+DOC+PDF+V0//EN