ESPAñO, A. Effect of L1 Use on Writing Proficiency of Tertiary Students: A Quasi-Experimental Study. SABTON: Multidisciplinary Research Journal, [S. l.], v. 1, n. 1, p. 112–129, 2019. Disponível em: https://journal.evsu.edu.ph/index.php/sabton-mrj/article/view/318. Acesso em: 3 apr. 2025.