Iandolo, Francesca, and Silvia Cosimato. “Shaping Sustainable Service Ecosystems: An Analysis of Some Possible Enhancing Factors”. puntOorg International Journal 4, no. 2 (February 17, 2020): 89–102. Accessed August 9, 2022. https://pij3.puntoorginternationaljournal.org/index.php/PIJ/article/view/68.