Rahmah, A., A. Suriaman, M. Maghfira, and N. Nadrun. “The Effectiveness of Flashcard Games to Improve Vocabulary Mastery of Seventh Grade Students at SMPN 7 Palu”. Journal of General Education and Humanities, vol. 4, no. 4, Nov. 2025, pp. 1941-8, doi:10.58421/gehu.v4i4.760.