JANAH, Karunia Eka Nafilatul; HIDAYATI, Lilis Nur; JUARNIASIH, Iin. Improving Elementary School Students’ Motivation and Achievement in Learning English Through Educational Competition Activities. Journal of Sustainable Society Empowerment, [S. l.], v. 3, n. 1, p. 1–8, 2026. DOI: 10.64460/js2e.v2i3.131. Disponível em: https://journal.planthroper.com/js2e/article/view/131. Acesso em: 22 oct. 2026.