PIETLUCH, A. How to keep the current flowing? factors contributing to the longevity of directed motivational currents. Porta Linguarum An International Journal of Foreign Language Teaching and Learning, Granada, Spain, n. 38, p. 229–246, 2022. DOI: 10.30827/portalin.vi38.23596. Disponível em: https://revistaseug.ugr.es/index.php/portalin/article/view/23596. Acesso em: 22 jul. 2024.