Sitthitikul P. Discussion Paper (Understanding L2 Acquisition in English Language Learners: The Interplay of Age-related, Cognitive, and Sociocultural Factors and Their Implications for Instructional Practices). JSEL [Internet]. 2009 Jun. 10 [cited 2024 May 1];4:185-93. Available from: https://so04.tci-thaijo.org/index.php/jsel/article/view/22070