Pencarelli T, Conti E, Gabbianelli L. The value co-creation in the digital business models: the Xelexia case. Piccola Impresa / Small Business [Internet]. 2019 Feb. 12 [cited 2025 Jun. 13];(2). Available from: https://journals.uniurb.it/index.php/piccola/article/view/2746