Bitrián, Paula, Sara Catalán, y Júlia Marchan. Boosting Brand Engagement and Loyalty through Gamified Loyalty Programmes. UCJC Business and Society Review (formerly known as Universia Business Review) 19, no. 75 (febrero 8, 2023). Accedido junio 13, 2024. https://journals.ucjc.edu/ubr/article/view/4514.