ZHANG, Yun. RESEARCH ON THE DEVELOPMENT OF BUSINESS MODEL BASED ON MOBILE APPs. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 41, p. 213–222, 2019. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/7135. Acesso em: 27 oct. 2026.