1. 21 Invest. (2014, October 16). 21 Investimenti to sell The Space Cinema to Vue Entertainment. Retrieved June 12, 2019, from https://www.21invest.com/news/21-investimenti-sell-space-cinema-vue-entertainment/
2. 21 Invest. (2019). Creating shared value. Annual sustainability report 2019. Retrieved September 22, 2019, from https://www.21invest.com/wp-content/uploads/2019/04/21invest_report19_190416_low.pdf
3. 21 Partners. (2016). Investment case study. Farnese Vini. Retrieved June 12, 2019, from https://www.21invest.com/wp-content/uploads/2016/11/Farnese-case-study-October-19th-2016.pdf
4. 21 Partners. (2018). Investment case study. Forno d’Asolo. Retrieved May 7, 2019, from https://www.21invest.com/wp-content/uploads/2018/11/FDA-case-study-v3-IT-compressed-4.pdf
5. Alberti, F. G., & Belfanti, F. (2019a). Creating shared value and clusters: The case of an Italian cluster initiative in food waste prevention. Competitiveness Review: An International Business Journal. https://doi.org/10.1108/CR-01-2017-0008