Mustapha Walaf. “The Impact of Portfolio Task Assignment on the Development of Moroccan EFL Middle School Learners’ Critical Thinking Skills”. Frontiers in English Language and Linguistics 3, no. 2 (June 20, 2026): 01–14. Accessed July 4, 2026. https://al-kindipublishers.org/index.php/fell/article/view/13005.