Validity And Practicality of Gamification-Based Lectora Inspire Media: An Interactive Solution for Middle School Students’ Mathematics Self-Efficacy. Online Learning In Educational Research (OLER), [S. l.], v. 5, n. 2, p. 571–582, 2025. DOI: 10.58524/oler.v5i2.876. Disponível em: https://journal.foundae.com/index.php/oler/article/view/876. Acesso em: 3 feb. 2026.