SAPUTRA, F. Can positive psychology interventions increase foreign language enjoyment? evidence from an eight-week quasi-experimental study with Indonesian EFL undergraduates . Research Studies in English Language Teaching and Learning, [S. l.], v. 4, n. 5, p. 928–951, 2026. DOI: 10.62583/rseltl.v4i5.156. Disponível em: https://rseltl.pierreonline.uk/index.php/J/article/view/156. Acesso em: 20 sep. 2026.