Hadiyansah, D. N., M. H. Hidayatullah, and M. Z. Wahid. “The Increasing Students’ Vocabulary Through Spelling Bee Games”. JOEY: Journal of English Ibrahimy, Vol. 2, no. 1, Feb. 2023, pp. 50-57, doi:10.35316/joey.2023.v2i1.50-57.