Cárdenas Espitia, Carlos. “The Language Portfolio As a Self-Assessment Mechanism in an English Course Aimed at Fostering Senior Students’ Autonomy”. HOW 17, no. 1 (December 1, 2010): 109–132. Accessed April 28, 2024. https://www.howjournalcolombia.org/index.php/how/article/view/68.