English teacher PPT gamification skills development in Trenggalek. Community Empowerment, [S. l.], v. 7, n. 11, p. 1881–1887, 2022. DOI: 10.31603/ce.8088. Disponível em: https://journal.unimma.ac.id/ce/article/view/8088. Acesso em: 10 nov. 2026.