Safna, Nur Anjelina, Sahlan Tampubolon, Febrina S.L. Lumbantobing, and Ali Wafa. “Fly Swatter Game Effect on Seventh Grade Students’ Vocabulary at SMP Parulian 2 Medan”. Linguapedia 9, no. 1 (May 25, 2025): 50–62. Accessed June 18, 2025. https://ejurnal.uij.ac.id/index.php/LIN/article/view/4097.