FU, Lin. The Subscription Economy in Educational Platforms: Business Model Optimization Based on User Lifetime Value. Simen Owen Academic Proceedings Series, [S. l.], v. 2, p. 269–278, 2026. Disponível em: https://simonowenpub.com/index.php/SOAPS/article/view/55. Acesso em: 4 feb. 2026.