Yuanyuan Zhang, CV, Piyapong Sumettikoon. Mobile Vocabulary Apps’ Impact On English Proficiency, Mediated By Learning Engagement, Moderated By Students’ Skills And Motivation. kuey [Internet]. 2024 Feb. 28 [cited 2025 Sep. 30];30(2):101 -. Available from: https://kuey.net/index.php/kuey/article/view/870