THE EFFECT OF USING THE PROJECT-BASED LEARNING MODEL TO IMPROVE STUDENTS’ WRITING ABILITY. J-Shelves of Indragiri (JSI), [S. l.], v. 8, n. 1, p. 127–141, 2026. DOI: 10.61672/jsi.v8i1.3572. Disponível em: https://ejournal-fkip.unisi.ac.id/shelves/article/view/3572. Acesso em: 26 may. 2026.