Pratolo, Bambang, and Riqqah Hafizhah. “The Effectiveness of Using Crossword Puzzle Games to Improve Vocabulary Mastery of the 7th Grade Students of SMP Muhammadiyah 2 Kalasan”. Teaching English as a Foreign Language Journal 1, no. 1 (November 9, 2022): 1–12. Accessed November 21, 2024. http://journal1.uad.ac.id/index.php/tefl/article/view/161.