ITO-MORALES, K.; MORALES-CABEZAS, J. The impact of self-development competitiveness-oriented tasks on Spanish learners’ motivation in foreign language teaching. Porta Linguarum. An International Journal of Foreign Language Teaching and Learning, Granada, Spain, n. 43, p. 127–145, 2025. DOI: 10.30827/portalin.vi43.30327. Disponível em: https://revistaseug.ugr.es/index.php/portalin/article/view/30327. Acesso em: 18 feb. 2026.