KARSUDIANTO, Fransiskus. Improving students' motivation and self-confidence in speaking using mingling games. Journal of Applied Studies in Language, [S.l.], v. 4, n. 1, p. 1-8, june 2020. ISSN 2615-4706. Available at: <https://ojs.pnb.ac.id/index.php/JASL/article/view/1591>. Date accessed: 04 may 2024. doi: http://dx.doi.org/10.31940/jasl.v4i1.1591.