Sinaga, Melda Nofriyanti, and Debora Chaterin Simanjuntak. “The Use of Collaborative Method through Jeopardy Games to Enhance Learners’ Vocabulary Knowledge ”. Journal of Language and Literature Studies, vol. 4, no. 1, Mar. 2024, pp. 150-64, https://doi.org/10.36312/jolls.v4i1.1808.