AUFAN, R.; VALIANTO, B.; RAVSAMJANI, F.; KELANA PUTRA, S. Development and Validation of Project-Based English Teaching Materials for Physical Education, Health, and Recreation Students at Universitas Negeri Medan. Jurnal Pendidikan Terapan, [S. l.], v. 4, n. 4, p. 568–575, 2026. DOI: 10.61255/jupiter.v4i4.1580. Disponível em: https://journal.diginus.id/JUPITER/article/view/1580. Acesso em: 6 oct. 2026.