Shao Yan, Nor Liza Ali. “EFL Learning, Personality Trait, and Distance Language Learning: A Positive Psychology Perspective”. Revista de Psicología del Deporte (Journal of Sport Psychology) 30, no. 1 (May 24, 2021): 218-232. Accessed June 15, 2021. https://rpd-online.com/index.php/rpd/article/view/302.