INTAN PUTRI JULEKA; WAHYU FATAHILLAH; WIKIAPEIAN PINIM. The Effect of the Problem-Based Learning Method on Eleventh-Grade Students’ Narrative Writing Skills. Spes: Journal Education and Languange, [S. l.], v. 1, n. 1, p. 1–10, 2025. Disponível em: https://journal.stkip-us.ac.id/index.php/spes/article/view/27. Acesso em: 12 jun. 2026.