Abbasi Mojdehi, Hamed, and Abbas Ali Zarei. “Vertical Grammatical Variability in Writing: Does Scaffolding Make a Difference?”. BELT - Brazilian English Language Teaching Journal 14, no. 1 (December 19, 2023): e44578. Accessed May 15, 2026. https://revistaseletronicas.pucrs.br/belt/article/view/44578.