Sumandari, Sri, and Mahyudin Ritonga. “The Effect of Word Square Model on Improving Vocabulary Mastery of Class VIII Students ”. Journal of Practice Learning and Educational Development 6, no. 2 (May 28, 2026): 2138–2145. Accessed November 9, 2026. https://digitalpress.gaes-edu.com/index.php/jpled/article/view/1039.