Syavira Wahidah Alfaini, and Sayid Ma’rifatulloh. “The Effectiveness of Using Crossword Puzzle Game Towards Students’ Vocabulary Mastery ”. Surakarta English and Literature Journal, vol. 6, no. 2, Aug. 2025, pp. 302-14, https://ejurnal.unsa.ac.id/index.php/selju/article/view/39.