XU, W.; CHANG, H. A Study on Classroom Engagement in Gamified English Instruction in Elementary Schools Across Different Class Sizes: A Case of a Summer Volunteer Teaching Classroom in Longyou County, Zhejiang Province. Journal of Educational Theory and Practice, [S. l.], v. 3, n. 4, 2026. DOI: 10.62177/jetp.v3i4.1768. Disponível em: https://ojs.apspublisher.com/index.php/jetp/article/view/1768. Acesso em: 6 nov. 2026.