A’yunin, Rina. “Teachers’ Voice Of Using Crossword Puzzle Games To Improve Students’ Vocabulary: (:), Teachers’ Voice, Crossword Puzzle Games, Vocabulary”. RETAIN : Journal of Research in English Language Teaching 11, no. 02 (July 20, 2023): 8–14. Accessed October 31, 2025. https://ejournal.unesa.ac.id/index.php/retain/article/view/54278.