Wahidatin, Helda, Hasna Hasna, Sukmawati Sadilia, and Andi Patmasari. 2026. “Exploring the Relationship Between ChatGPT Use and Vocabulary Mastery Among Indonesian EFL Secondary School Students”. FOSTER: Journal of English Language Teaching 7 (4):1460-78. https://doi.org/10.24256/foster-jelt.v7i4.529.