Selvarajoo, Arvin, and Harwati Hashim. “The Usefulness of Augmented Reality in Enhancing English As a Second Language (ESL) Learners’ Vocabulary Acquisition: A Systematic Review (2018-2022)”. International Journal of Academic Research in Progressive Education and Development, vol. 11, no. 4, Dec. 2022, https://ijarped.com/index.php/journal/article/view/1532.