Arias de la Cruz, Andrés, Gisela Domínguez Barrera, y Eleazar Morales Vázquez. «Form-Focused Instruction (FFI) and Language Features Attended to During Content-Based Instruction (CBI) Lessons at a Southeastern Mexican University». Actualidades Investigativas en Educación 19, no. 1 (enero 1, 2019). Accedido marzo 29, 2024. https://www.revistas.ucr.ac.cr/index.php/aie/article/view/34785.