Sari, Hesty Puspita, Azza Jauhar Ahmad Tajuddin, Zulfadli A Aziz, and Latifatul Isro’iyah. “Enhancing Grammar Mastery through Climbing Castle App: A Game-Based Learning for Secondary Students in Blitar”. Indonesian Journal of Applied Linguistics 15, no. 2 (September 1, 2025). Accessed October 24, 2025. https://ijal.upi.edu/index.php/ijal/article/view/321.