Wiondy, Nonny, Hastini Hastini, and Sudarkam Mertosono. “Supercharging Vocabulary: A Word Wall Intervention Boost Students Achievement”. Lexis 1, no. 1 (June 30, 2024): 16-25. Accessed October 9, 2025. http://103.245.72.41/index.php/lexis/article/view/679.