BETA PRAMESWARI, SHINTA. The Implementation of Problem-based Learning in Teaching Speaking of Hortatory Exposition Text. RETAIN : Journal of Research in English Language Teaching, [S. l.], v. 7, n. 3, 2019. Disponível em: https://ejournal.unesa.ac.id/index.php/retain/article/view/29698. Acesso em: 30 oct. 2025.