Surtiyem S, Nurhayati L, Yulia Y. Using Crossword Puzzle to Increase Students’ Vocabulary Mastery in Junior High School. J. Sci. Educ. [nternet]. 2026Feb.23 [cited 2026Oct.7];6(2):1528-39. vailable from: https://jse.rezkimedia.org/index.php/jse/article/view/766