Abbasi Mojdehi H, Ali Zarei A. Vertical Grammatical Variability in Writing: Does Scaffolding Make a Difference?. BELT [Internet]. 2023 Dec. 19 [cited 2024 May 10];14(1):e44578. Available from: https://revistaseletronicas.pucrs.br/index.php/belt/article/view/44578