Jang, S.-H., and J. H. Lee. “The Effects of Vocabulary Notebook Keeping under Teacher Supervision on Vocabulary Acquisition for Low-Proficiency EFL Learners”. The Asian Journal of Applied Linguistics, vol. 7, no. 2, Dec. 2021, pp. 200-12, https://caes.hku.hk/ajal/index.php/ajal/article/view/888.