“The effectiveness of crossword puzzle games in teaching vocabulary to the seventh graders at SMPN 2 Bojonegoro”, eltt, vol. 8, no. 1, pp. 99–103, Nov. 2022, Accessed: Oct. 22, 2026. [Online]. Available: https://proceeding.unpkediri.ac.id/index.php/eltt/article/view/2775